犯罪并非非理性行为，而是对激励和约束的回应。

I don't rap for dead presidents. I'd rather see the president dead.

解释：国家垂危败亡，一定是因为任用了奸邪小人。

礼义法度，是随着时势而变化的。

Investing in clean coal technologies isn't an expense—it's an investment in our future.

你不需要完美规划才敢前进，只需迈出下一步。