The unicorn is a
nonexistent creature in reality, existing only in myths and fairy tales.
独角兽在现实中是不存在的，只存在于神话和童话故事中。
The concept of a perpetual motion machine is considered
nonexistent in physics.
永动机在物理学中被认为是一个不存在的概念。
The notion that the earth is flat was proven to be
nonexistent long ago.
地球是平的这种观点很久以前就被证实是不存在的。
In the vastness of space, there may be
nonexistent planets yet to be discovered.
在浩瀚的宇宙中，可能存在还未被发现的不存在的行星。
The search for the lost city of Atlantis is an endeavor to find a seemingly
nonexistent place.
寻找失落的亚特兰蒂斯城是一项寻找似乎不存在的地方的尝试。
The idea of time travel to the past is still a theoretical concept, bordering on the
nonexistent.
回到过去的时间旅行仍然是一个理论概念，接近于不存在。
The elusive Yeti, or Abominable Snowman, is a legendary creature whose existence remains
nonexistent in scientific evidence.
雪人，或称野兽雪人，是一个传说中的生物，其存在至今在科学证据中仍是不存在的。
The memory of my childhood friend has become
nonexistent after so many years apart.
分开这么多年后，我童年朋友的记忆已经变得不存在了。
The concept of zero gravity on Earth is technically
nonexistent, but we can simulate it in certain conditions.
在地球上的零重力状态从技术上说是不存在的，但我们可以在某些条件下模拟它。
The belief in a global conspiracy to control the world is a paranoid delusion, not a real,
nonexistent threat.
对全球阴谋控制世界的信仰是一种偏执的妄想，而不是真实存在的、不存在的威胁。
Virtually nonexistent three years ago, livestreaming now accounts for 4 percent of total online retail sales in China and about 1 percent of total retail sales.
In particular, the trade deficit with Japan has contracted sharply, and last year the deficit was almost nonexistent.
China, he noted, has created millions of "green jobs" in its economy in the past few years, and has gone from a country where renewable energy was almost nonexistent to one of the leading nations in renewable projects in just a decade.
"Many of the related manufacturing industries in the US are virtually nonexistent or too small, while Chinese manufacturing competes across the entire industry chain, he said.
However, the domestic invisible orthodontics market was virtually nonexistent.
然而，国内隐形正畸市场几乎不存在。
"Electric vehicles, especially those from China, have become a common sight, marking a profound shift from merely two or three years ago when charging stations in malls were virtually nonexistent, and the demand for them was negligible," Wang added.
It also sports satellite connectivity for the first time in its new series and enables users to send a message where signals are weak or nonexistent, which will play an important role in emergencies and disaster relief－a function that Huawei had announced in its Mate 50 series.
Without any concrete evidence, Britain, in collaboration with the United States, has been discriminating and suppressing Chinese companies citing nonexistent "security risks," Zhao said.
It focuses on serving borrowers between the ages of 20 and 40, many of whom have very limited or nonexistent credit records.
For some public-funded PPP projects, however, the government had to make up for inadequate or nonexistent revenues by guaranteeing minimum or fixed returns to private participants, thereby assuming greater accountability for future spending, Chen added.