This is where another method of testing, unit testing, comes into play.
这时，我们需要使用另一种测试方法，那就是单元测试。
The split-half method of testing can save a lot of time.
一分为二的测试方法能节省许多时间。
However, this method of testing, is not always safe and effective.
然而，这种测试方法不一定是绝对安全、有效的。
However, this method of testing, is not always safe and effective.
然而，这种测试方法不一定是绝对安全、有效的。
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