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youdao
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Scientists believe that, in the future, it could solve the problem of plastic pollution.
科学家相信，在未来，它可以解决塑料污染的问题。
youdao
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Plastic pollution has been one of the most serious problems today.
塑料污染是当今最严重的问题之一。
youdao
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Plastic pollution has been one of the most serious problems today.
塑料污染是当今最严重的问题之一。
youdao