When you confront a stuck bolt or screw: righty tighty， lefty loosey.
Energy security is a crucial part of national strategic security, and we must firmly keep it in our own hands.
The only thing that separates successful people from the others is hard work.
旅行就是用双脚写作。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
世界是一本书，不旅行的人只读了一页。