中国的崛起对自由民主秩序构成了重大挑战。
The rise of China poses a significant challenge to the liberal democratic order.
It is no use saying, 'We are doing our best.' You have got to succeed in doing what is necessary.
我总是对每一个机会心怀感激。
你不能让你的失败定义你,你必须让你的失败教导你。