第二段：分析原因(4句)
①It is obvious that the causes of this issue are diverse.
②In the first place, … is the root cause of this crisis.
③In the second place, … constitutes a major cause of this situation.
④Finally, … plays a pivotal role in this problem
第三段：解决方案(4句)
①Accordingly, the solution to this problem should be varied as well.
②To begin with, governments and relevant administrations should take effective measures and spare no effort to control this problem.
③What is more, it is necessary to raise people’s awareness of…
④Only when these practical measures are taken can this problem be dealt with step by step and gone with the wind.
最后，老师祝大家顺利通关!
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