M3 G允许用户在这两个选项之间任选其一。

M3G lets you choose between both options.

youdao

这并不是二者任选其一，有时候某个方法相比之下更为合适。

This is not an "either/or" issue, there are times when one approach is more appropriate.

youdao

其中包含xml和json数据资料的全部副本。用户可以任选其一进行分析。

It contains full copies of the XML and JSON data feeds and gives the user the option of parsing either one.

youdao