亲代投资是理解性别差异起源的关键。
"Parental investment is the key to understanding the origins of sex differences."
在数学的世界里,每个问题都会引出另一个问题,创造出一个连接所有科学领域的无尽知识网络。
我不是榜样,我只是努力成为更好的自己。
Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.