To write is to fight against oblivion.

广告的目的是销售。这是唯一的目的。

Responsible fishing is not an option; it's an obligation.

生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

"Parental investment is the key to understanding the origins of sex differences."

施予他人比接受来得更有福气。