Until today, I was never really interested in medicine.
直到今天 ,我才对医学真正感兴趣。
Just deposit your money with us; we'll take good care of it.
请存在本银行,我们会负责保管的。
It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.