通过和接触，能够帮助儿童在外在世界建立安全感。

黄莺和鲜花尚且担心春光流逝，怎么可以白白虚度大好时光？

Whenever people talk to me about the weather, I always feel certain that they mean something else.

现在是过去的未来。

供应链上的协作是提高效率和减少浪费的关键。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.