男性和女性在繁殖策略上有所不同，因为他们在整个进化历史中面临着不同的适应性问题。

If ease of use was the only requirement, everyone would still be riding tricycles.

In filmmaking, patience is not just a virtue, it is a necessity.

The writer must be a person who is willing to be alone.

邪恶获胜的唯一必要条件是好人无所作为。