当没有人相信你时,你必须相信自己。
Success is not final, failure is not fatal: it is the courage to continue that counts.
Sustainable development requires us to balance economic growth with environmental protection.
“需要”不认识任何的“法律”。
唱歌的人不求声音高尖而求合乎节拍,评论者不追求华丽的辞藻而注重所谈论的事情符合实际。