We came in peace for all mankind.

我们代表全人类为和平目的而来。

You are like salt for all mankind

你们好比是人间的盐。

The reduction of car exhaust is good for all mankind.

汽车尾气减排是对全人类的福祉.

The covenant of works is still in full force for all mankind.

工作之约对所有的人来说，仍然具有强大的威力。

Where it leads I don’t know, but every leap had lead to better lives for all mankind.

我不知道会发展成什么样子，但每一次飞跃都让人类的生活更加美好。

A culture of one nation may become international, which is beneficial for all mankind.

一个国家的文化可能成为世界文化，这对全人类都有益。

Together, we follow the path that leads to truth, harmony, peace, and love for all mankind.

团结一致，我们将引领真相，和谐，爱与和平之路给整个人类。

Some rare people are so filled with egotism that they imagine that they speak for all mankind.

很少有人会如此自负，自认为可以代表全人类。

Science goes beyond national borders. Health and well-being is a common blessing for all mankind.

你们所支持的研究，我想不仅对英国是一件大好事，而且也有益于世界，因为“科学无国界”，健康是人类共同的福祉。