In my opinion, winter in Beijing is not very cold.
我觉得北京的冬天不是特别冷。
Americans wonder what has become of the idealism of the last decade.
美国人的理想主义,不知道在这十年间变得怎样了。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,