假如只是一个单词或者是一个短语而已，那问题不大，直接修改就行了。
If it is like a word or a phrase it is easy to change by re-typing the word or phrase.
假如存放事务日志的磁盘有问题，也可以修改事务日志的存放位置。
The transaction log location can be changed during restore in case there is ever a problem with the disk that has the transaction log.
在修改一个以前的 bug 时，您很有可能 将一个新的 bug 引入未经测试的代码中；而且假如这样的话，您可能不能立即注意到这个新 bug。
You may well introduce a new bug in untested code while fixing an old bug, and if so, you probably won't immediately notice the new bug.
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