To exhibit is to make a political statement, whether you want it or not.

The greatest threat to our planet is the belief that someone else will save it.

量子计算的挑战不仅在于建造量子计算机，还在于理解它能做什么。

The most significant threat to liberal democracy today is not from the outside, but from within.

水利工程的成功取决于人与自然的和谐。