Food safety is the lifeline of aquaculture and must never be relaxed.
食品安全是水产养殖的生命线,任何时候都不能放松。
The world is changed by your example, not by your opinion.
饥饿的时候就不惜妄取以保存性命,吃得很饱的时候又用虚伪的行为来粉饰自己。 
I’m not perfect, and I don’t claim to be.
通过认识到那些引起焦虑的事物并不重要可以缓解大部分忧虑。