n.所赚的钱；所得；收入
动词earn的现在分词.
The prices shy rocketed, and all the expenses swallowed all my earning up. 物价飞涨，开支耗去了我所有的工资。
He supplemented his earning by taking a night work. 他通过晚上工作来补充收入的不足。
He is such a fine designer that his earning power is very large. 他是为出色的设计家，收入很高。
n.电子培训；指使用计算机和互联网学习
n.收入；利润
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