lesson_3_reflection

When would you want to use a remote repository rather than keeping all your work
local?

    Fill in your answer here

Why might you want to always pull changes manually rather than having Git
automatically stay up-to-date with your remote repository?

    这样不会太频繁，而且git不知道我要什么时候应该push和pull

Describe the differences between forks, clones, and branches.  When would you
use one instead of another?

    forks是在GitHub上别人已有仓库时，我们需要该仓库，使用fork相当于在GitHub上克隆
	同时fork操作，在GitHub上会显示是fork的谁的仓库
	clone是从远端仓库克隆到本地
	branch是在本地创建分支。

What is the benefit of having a copy of the last known state of the remote
stored locally?

    在离线状态可以查看和远程分支的差异

How would you collaborate without using Git or GitHub?  What would be easier,
and what would be harder?

    下线交流。下线交流的话，如果是都在一个项目组，在一起可能还可以。但是如果
	是在世界各地，会比较麻烦，不能实时响应。

When would you want to make changes in a separate branch rather than directly in
master?  What benefits does each approach have?

    创建新功能