We cannot change the past, but we can change our view of it.
我们不能改变过去,但我们可以改变对过去的看法。
学习原理在不同物种间是通用的。
The ethical debate around CRISPR is as important as the science itself.
小说是谎言中的真相。
The past is always tense, the future perfect.
这个世界是个美好的地方,值得为之奋斗。