G-20 leaders need to forcefully address the complications created by this bifurcation of growth prospects and required policies. Otherwise, we are in for a train wreck.

My comments:

In other words, great damages will be done.

A train wreck happens after the train goes off rail….

You see the picture, of course. In other words, all that is left is the wreckage. Likewise, a car wreck or ship wreck also refers to great damages done, to the car or ship after, say, an accident.

In the G20 example, "we are in for a train wreck" means that if the G20 leaders don’t get their act together and come up with policies that will actually work, the world economy will, again, be heading towards a crash.

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本文仅代表作者本人观点，与本网立场无关。欢迎大家讨论学术问题，尊重他人，禁止人身攻击和发布一切违反国家现行法律法规的内容。

About the author:

Zhang Xin（张欣） has been with China Daily since 1988, when he graduated from Beijing Foreign Studies University. Write him at: zhangxin@chinadaily.com.cn, or raise a question for potential use in a future column.