Chinese is a
compulsory subject.
汉语是必修课。
Wearing seat belts in cars is
compulsory by law.
坐车系安全带是法律强制规定的。
Education is
compulsory for children in most countries.
多数国家对儿童实施义务教育。
It is
compulsory to be polite for us.
对我们来说，有礼貌是必须的。
It is
compulsory for students to wear school uniforms.
学生必须穿校服。
You must register your car with the local authorities, it's
compulsory.
你必须在当地政府部门登记你的车辆，这是强制性的。
Compulsory vaccinations are required for children attending school.
上学的孩子需要接种强制性疫苗。
Tax filing is
compulsory for all employed individuals.
所有受雇人员都需要申报税收，这是强制性的。
Smoking is strictly prohibited in this workplace; it's a no-smoking
compulsory area.
这个工作场所严禁吸烟，这里是强制禁烟区。
Drivers must have a valid license; it's a legal and
compulsory requirement.
驾驶者必须持有有效驾照，这是法律规定的强制要求。
Regular exercise is
compulsory for maintaining good health.
定期锻炼是保持健康所必需的。
In some countries, it's
compulsory to learn a second language in school.
在某些国家，学校里学习第二语言是强制性的。
All citizens over 18 years old are
compulsory to vote in elections." (18岁以上的公民在选举中投票是强制性的。
A balanced diet is
compulsory for proper nutrition.
均衡饮食对于适当的营养是必不可少的。
In the future, corporate disclosure on nature conservation is also expected to become a compulsory part," said Yang Fangyi, senior program officer at the International Union for Conservation of Nature China Office.
未来，企业对自然保护的披露预计也将成为强制性的一部分，”国际自然保护联盟中国办事处高级项目官员杨方毅说。
"Staying on the construction site is not compulsory, however, more than 1,000 construction workers spent the holiday on the project, enabling normal progress during the May Day holiday period.
“留在工地不是强制性的，然而，1000多名建筑工人在这个项目上度过了假期，使五一假期能够正常进行。
During the COVID-19 pandemic, the compulsory education sector just transformed from offline to online bringing opportunities for the online education sector, which witnessed a surge in market penetration rate and the number of users.
在COVID-19大流行期间，义务教育领域从线下模式转变为线上模式，这为在线教育行业带来了机遇，其市场渗透率和用户数量均出现了显著增长。
The company said the compulsory presale coupons for the trial were snapped up within an hour of launch in Shanghai via KFC's indigenous mobile app, indicating a strong enthusiasm.
"Thomas Cook UK Plc and associated UK entities said in a statement on its official website they have entered compulsory liquidation on Monday and are now under the control of the Official Receiver in the country, sparking chaos for thousands of its customers around the world.
In an announcement released on Monday, Thomas Cook China, in which Fosun Tourism Group holds a majority stake, said it has been informed that Thomas Cook Group has entered compulsory liquidation and it "feels sorry" for the bankruptcy.
Feng Xin, chief executive officer of the Beijing-based internet entertainment and technology company Baofeng Group, has been placed under compulsory measures by police over suspected crimes, according to the company's announcement Sunday sent to the Shenzhen Stock Exchange.
The company also said it will continue to pay attention to the progress of compulsory measures and fulfill its information disclosure obligations in a timely manner.
The country has rolled out a policy that has increased the proportion of compulsory biodiesel it uses to 10 percent, spurring a boom in the local biodiesel market.
Also, driver facial recognition will be made compulsory for every “hitch” trip to minimize the risk of unauthorized account use.