Parental investment is the key to understanding sex differences in mating strategies.
如果没有了解植物生长规律的农民,最先进的温室也毫无价值。
I'm not afraid to take risks. I'm not afraid to fail.
The brain is a kind of computer, but it's a very different kind of computer from the ones we're used to.
I believe that every performance should be unique and special.