但是，鼻涕持续数天甚至数周，就不一定是鼻窦炎。
But nasal discharge can continue for several days and even weeks without necessarily indicating sinusitis.
重现并找到一个并发缺陷可能要花费数天甚至数周的时间。
It can take days to weeks to reproduce and find a concurrency defect.
要解决这个问题，我们所要做的也许就是发邮件，然后等待数日甚至数周才能等来答复。
To solve this problem, what we need to do is perhaps to send emails and then wait for the reply for days or even for weeks.
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