“添加现有项”对话框中，定位并选择要添加的项目项。

Add Existing item dialog box, locate and select the project item you want to add.

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但是向现有语言添加一项新的语言功能总是需要付出一定的成本。

But adding new language features to an existing language always has a cost.

youdao

但是向现有语言添加一项新的语言功能总是需要付出一定的成本。

But adding new language features to an existing language always has a cost.

youdao