Sometimes, symptoms of the disease appear and then disappear for a long time.

VOA: special.2009.01.06

Gentleman can you...?I'm goint to hit... But I was told to do funishion Fa Hua.All right.It's something came up and then disappear.

各位男士,你们谁能教我,我该按哪,有人告诉我是按Fa键,好吧,幻灯片出现,然后消失

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Then it will stay activated for some period of time, and eventually disappear again.

它在某一时间段保持激活状态,最后消失得无影无踪

耶鲁公开课 - 生物医学工程探索课程节选

It can become concentrated in small areas and then disappear.

VOA: special.2009.12.30

Then maybe and then maybe some kind of melody will come in and then it'll all come together right in front of you and it'll kind of disappear in the distance.

然后可能,可能会出现些旋律,然后它们一起出现在你面前,并一起消失在远方

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And then you would recover for a while, that initial phase of the illness would disappear, your fever might go down, you might appear to be normal.

接着你会暂时恢复,在开始阶段出现的症状会消失,你的体温会降下来,看起来似乎比较健康

耶鲁公开课 - 生物医学工程探索课程节选