单击choose按钮，然后扩展functions分支。

Click the Choose button, then expand the functions branch.

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针对Mac的GitHub客户端便于从带有“Clone in Mac”按钮的网站上克隆一个存储，创建分支、提交和上传修改。

GitHub for Mac aims to make it easier to clone a repository from the website with the "clone in Mac" button, create a fork, commit and upload changes.

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最后，选择Commit按钮(图10，“分支—导入文件5”)。

Finally, select the Commit button (Figure 10. Branching - Import document 5).

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