人人都会偶尔咳嗽，但如果你似乎比以前更频繁地染上咳嗽，或者咳嗽延续很长时间或变成了慢性咳嗽，就是和你的医生谈谈的时候了。
Everyone gets a cough once in awhile, but if you seem to be getting them more frequently, or they linger for a long time or become chronic, it's time to talk to your doctor.
诚然，我们都过着充实而忙碌的生活，因此，在工作中偶尔会因为一些不可抗的原因而错过工作截止时间或者上班迟到。
Yes, we all live full, busy lives, as a result, it's inevitable something will come up that causes us to miss a deadline or be late for work once in a while.
电邮隐士尼尔·斯蒂芬森能像许多牛仔那样同意每月一次的闲聊时间或偶尔到粉丝论坛踩踩吗？
Could an email recluse like Neal Stephenson just cowboy up by agreeing to a monthly chat session or the occasional visit to a fan forum?
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