The gains of Italian opera singers,German governesses,French ballet dancers,&c.,are a source of wealth,as far as they go,to their respective countries,if they return thither.

• 意大利的歌剧演唱家、德国的家庭女教师、法国的芭蕾舞演员等在国外的收入，在他们回国时，便成为本国财富的一个来源。