The average source control system comes with a host of goodies, such as versioning, rollback, tagging, and merge assistance.
一般的源代码控制系统都会有许多部分，例如版本化、回滚、打标签以及合并等。
2
With the average life expectancy longer than ever and more Americans expressing the desire to age at home, the need for in-home assistance is thriving.
随着平均寿命不断增长，更多美国人希望在家里度过他们的老年时光，家庭看护的需要也因此兴旺起来。
3
Such assistance is in the form of 50 or 100 per cent of the average of fees charged by non-profit making kindergartens.