解释：砍伐树木不把树根砍掉，必能重新生长；堵塞水不把源头堵住，必会重新流出；消除祸患不铲除产生祸患的根基，祸患还会再生。

Whatever you're meant to do, do it now. The conditions are always impossible.

Stay hungry, stay foolish, but always stay true to yourself.

My dream is to become a good actor, and I have been working hard.

量子密码学不依赖于数学问题的难度，而是依赖于物理学的基本定律。

Sinopec must adhere to high-quality development, with technological innovation as its core driving force.