This will be only a small dent, perhaps, to the confidence of Greek tour operators.
或许,对自信的希腊旅行社来说这只是小凹坑。
The frequency and order in which small parts may occur in larger parts is specified by operators — mostly the same symbols you see in regular expressions.
由运算符—通常和您在正则表达式中看到的符号相同—来指定小部件在较大的部件中出现的频率和顺序。
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