You could check if each copy completes successfully before moving on to the next task in the script.
在继续执行脚本中的下一个任务之前，需要检查每次复制是否成功完成。
Use Subversion (SVN) to check if the local working copy of the source tree is out of date.
用Subversion (svn)检查源树的本地工作拷贝是否过期。
Join your local library to connect to a great health and fitness resource. Check out low-fat cookbooks and copy your favorite recipes.
去你当地的图书馆查阅好的实用的健身资源，寻找一些低脂肪的食谱并抄下自己喜欢的。
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