學個詞 Learn A Word:1243voluntary

　　今天我們要學的詞是voluntary。 Voluntary, 自愿的，主動的。 "Virginia residents turned in almost 10,000 pounds of unused and expired prescription medication during a voluntary 'Drug Take-Back Day'," 在藥物回收日那天，維吉尼亞州居民自愿上繳了將近一萬磅沒用過的和過期的處方藥。 "General Motors initiated a voluntary recall covering 154,000 Cruze automobiles in the United States and Canada due to steering and transmission issues," 美國通用汽車公司宣布，因為駕駛和傳動系統(tǒng)的問題，主動召回在美國和加拿大市場上售出的15萬4千輛科魯茲車。好的，今天我們學習的詞是 voluntary...