then and only then

英汉例句

双语例句

• It was then and only then that the Great Depression truly ended.
  只有到那个时候大萧条时代才真正结束。
• "Then and only then, talk about your area of expertise as the solution to that problem," says Morgan.
  “然后，也只有在这之后，谈你的专家领域里如何解决那个问题的，”摩根说。
• The truth is that once American consumers start demanding cosmetics that are cruelty-free, then and only then will American manufacturers stop torturing animals in the name of beauty.
  事实就是，一旦美国消费者开始要求人道化妆品，那时候，而且只有那时，美国制造商才会以美丽的名义停止对动物的折磨。

原声例句

• Back then,there was much hope that humans would return soon and make a home on Earth's only natural satellite.
• So the question was, why is this return down at this level, it says, well if I ever execute out of this FOR loop, I get to the end of the FOR loop without hitting that branch that took me through the return, then and only then do I want to actually say, gee, I got to this place, there isn't any value to return, none I'm going to return none and none.
  问题是，为什么它是在这个级别上返回值呢，意思就是如果我出了这个for循环,就意味着我运行的过程中没有走到任何,带return的支路上去,这时也只有这时我才能说天呐,我终于走到这儿了，这时不会返回任何值，只会返回none和。
  麻省理工公开课 - 计算机科学及编程导论课程节选
• Read everything you can, Milton insists, because only then can you overcome what he thinks of and characterizes as the temptation of reading.
  尽可能地阅读，弥尔顿坚持到，因为只有这样你才能抵抗他认为以及标榜为的,阅读对人产生的诱惑。
  耶鲁公开课 - 弥尔顿课程节选

权威例句

• Then and only then can you be confident that your message is getting through.
  FORBES: Answering Media Questions With Precision -Media Training