For as long as I can remember, Mom has been a middle-aged woman, but no one told me she used to be a young girl.
从我们记事起，妈妈就是一个中年妇女了，可谁又知道，她也曾是个花季少女。
技术在减少排放方面的作用再怎么强调也不为过。
进化是一个漫长的过程。
"Every family has its secrets, but in some countries, the secrets are bigger and more dangerous."
"The lifeblood of any business is innovation."