在这种形势下，垃圾分类收集已成当务之急和必然趋势。

In this situation, classification and collection of refuse have been an urgent affair and imperative trend.

youdao

在这种形势下，垃圾分类收集已成当务之急和必然趋势。

In this situation, classification and collection of refuse have been an urgent affair and imperative trend.

youdao