基因编辑的伦理影响必须与科学突破一同考虑。

When buying a garden hose， an extension cord， or a ladder， get one substantially longer than you think you need. It’ll be the right size.

我不是那种会让我的名字蒙羞的人。

Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.

你不能信任你没有完全自己编写的代码。