相關WhenShanghaiintroduc的文學知識

問題詳情：NewWaytoRecycle   WhenShanghaiintroducedanewgarbage﹣sortingpolicyinJulylastyear，thecity'sresidents（居民）tooksometimetogetusedtoit．Theyjokedthateverytimetheytookouttheirgarbage，thestaff（工作人員）st...