更易

zhè piān bào gào jǐ jīng gēng yì

这篇报告几经更易。

The report has been revised several times.

zhè piān gǎo zi gēng yì guo duō cì

这篇稿子更易过多次。

This manuscript has been revised many times.

gēng yì xí guàn

更易习惯

change one's customs