I am not happy, this is an established fact.

我不开心, 这个是既定的事实.

Another established fact of this industry is the increase in movie duration during this period of time .

该行业另一确定的事实是，在这段时间中，每部电影的长度变长。

It is quite an established fact that mountain bicycles are aptly designed following the present trend and demand.

这是相当不争的事实山地自行车是恰当的设计之后，目前的趋势和需求。

When a scientific principle is common knowledge even in grammar school, you know it has long since crossed the line from theory to established fact.

当一项科学原则即便在文法学校也变成一种共识，你知道它长久以来已经超越了理论范畴成为既定的事实。

It is an established fact that, on average, it takes a significantly larger area of land to grow food for a meat-eating individual than for a vegetarian person.

一般而言，为供养一个食肉者而种植粮食所占土地的面积要明显大于一个素食主义者的，这是已定的事实。

Environmental warning is defined by the author as giving a warning on environmental degeneration or ecological negative evolution to the public before an established fact.

环境预警是对环境质量退化和生态系统逆化演替的先觉性报警；