在距离与重量成反比的情况下,物体处于平衡状态。
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。
韧性和适应能力是基建发展的关键。
You miss 100% of the shots you don't take.
The urgent is a tyrant. The important should be your king. Down with the tyranny of the urgent