Sustainable fishing practices are not an option, but a necessity if we want to preserve marine biodiversity.
如果我们想保护海洋生物多样性，可持续的捕捞方式不是一种选择，而是一种必要。
It is a sad fate for a man to die too well known to everybody else and still unknown to himself.
真相并不总是美丽的，美丽的话语也不一定是真相。