只有当你认为患者有权不受限制地享有已证劣等治疗时，这才是正确的。

That would be true only if you believed that patients should have an unrestrained right to treatments proven to be inferior.

youdao

当你在买这些东西上省钱时，每个折扣只有一次使用机会。

When you save money on these purchases, each discount only happens once.

youdao

只有当你失去某人的时候，你才能完全意识到你有多珍惜他。

It is only when you nearly lose someone that you become fully conscious of how much you value him.

youdao

And that's what you want because the electron repulsion is only felt when you are in really, really close.

而那就是你想要的,因为电子间的斥力只有当它们,离得非常非常近时才能感觉得到。

麻省理工公开课 - 固态化学导论课程节选

I mean, like, unless you, you're like, acquainted with the city, then, like, you can find stuff,

我的意思是，只有当你对这个城市非常熟悉，你才能发现它的好玩之处。

纽约和洛杉矶不一样 - SpeakingMax英语口语达人

And my own belief is when you are not in command ; when you are humble before the thing; frankly, only then, is anything of any interest is going to happen in the arts.

我的信念是，只有当你失去了话语权,当你在艺术作品前谦卑时;,坦率地讲，只有这时，你的作品中,才会有奇迹发生。

普林斯顿公开课 - 人性课程节选