n.（使用或操作时的）额外损耗量；扣回款项

The new policy led to a significant drop-off in crime rates.
新政策导致犯罪率显著下降。
Due to the pandemic, there has been a considerable droppage in international travel.
由于大流行病，国际旅行大幅度减少。
The store experienced a droppage in sales after the holiday season.
节日过后，这家商店的销售额有所下降。
There's been a droppage in student enrollment this semester compared to last year.
与去年相比，本学期的学生注册人数有所减少。
The team's performance suffered a noticeable droppage after the key player was injured.
关键球员受伤后，团队的表现明显下滑。
The recent heatwave caused a droppage in crop yields.
最近的热浪导致作物产量下降。
Social media usage saw a droppage during the evening hours as people went to bed earlier.
人们较早睡觉，导致晚间社交媒体使用量下降。
The company introduced incentives to counteract the droppage in employee morale.
公司引入了激励措施以应对员工士气的下降。
After the controversial update, the app experienced a droppage in its user base.
在有争议的更新之后，该应用程序的用户基数出现了下降。
The introduction of online classes led to a droppage in attendance for physical lectures.
在线课程的引入导致实体课堂的出勤率下降。