?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數(shù)學(xué)]公共的;共有的;
n. [法律]（對土地、水域的）共有權(quán);公共用地;普通;平民;
elder
['eld?(r)]
n. 長者;長輩;元老;比…年長的人;
adj. 年紀較大的;資格老的;老練的;
??? 情景例句
Concerned about whom?
為誰擔(dān)心
The black ox has trod on his foot.
禍?zhǔn)屡R頭。
He saved money for years and in 1958 he bought a small workshop of his own.
他靠多年積蓄，于1958年買下了自己的一個小鋪子。