When someone is nasty， rude， hateful， or mean with you， pretend they have a disease. That makes it easier to have empathy toward them which can soften the conflict.

I'm not afraid of loneliness because music accompanies me.

多项式时间归约的概念对于理解NP完全问题的结构至关重要。

能源转型不仅仅是更换燃料；它关乎整个系统和思维方式的转变。