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现在，他们可以集中精力解决油砂开采中的环保问题了。
Now they can concentrate on greening them.
youdao
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我家的“环保问题”也彻底得到了解决。
Our "environmental protection question" is completely solved.
youdao
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我家的“环保问题”也彻底得到了解决。
Our "environmental protection question" is completely solved.
youdao