Wild waterfowl have been known for some time to be the natural reservoir of all influenza a viruses.
一段时间以来，已知野水禽是所有A型流感病毒的自然宿主。
If you come up with something wild that no one has ever seen before, there is a good chance you'll either be ahead of your time, or others won't share your enthusiasm for the idea.
如果你做出了从来没人见过的应用，可能你的应用会大受欢迎，但是也可能无人问津。市场上没有的原因可能是没人需要。
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