从那时起，斯拉便开始更加关注海洋污染问题。
From then on, Slat began to pay more attention to ocean pollution.
我们不知道，一旦这个美丽的结构将开始浮动，环境问题将全部结束，或者将减少海洋污染或危险性较小。
We are not sure that once this stunning structure will start floating, the environmental issues will all be over, or that the oceans will be less polluted or less dangerous,.
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