你必须对你所做的事情充满热情。
Nature has provided us with incredible tools to study biology; we just need to know where to look.
协助儿童,能使你们之间建立起更亲密的关系。这胜过一般的感情,因为你不仅给他安慰,更给予了他们实际的帮助。
The world is everything that is the case.