眼睛不能同时看清楚两样东西,耳朵不能同时听清楚两种声音。
Sun don't shine forever.
I don't think about my legacy. I just try to do good work.
I was told I had the voice of a choirboy but the look of a headmistress.
变得更好的唯一方法就是不断工作。
研究学习的唯一有意义的方法是通过客观测量。