团队分支是红色的，表示它不太稳定；例如：这个分支通过了单元测试，但是它可能还没有完成集成测试，所以还没有稳定到可以发布的状态。

The team branch is red to highlight that it is less stable, i.e. the stuff on that branch passes the unit tests but it might not be integration tested and might not be stable enough for release.

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对每个工作分支来说，CI服务器自动并持续地检查构建和运行所有单元测试的状况。

For each work branch, CI server automatically and continuously checks that it builds and passes all unit tests.

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单元测试阶段结构覆盖测试往往要求语句覆盖率和分支覆盖率均达到100%。

In the unit test stage, it is often required that sentence coverage rate and branch coverage rate all up to 100% in the structure coverage test.

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