some common phenomenon are not completely understood.能换成some common phenomenon cannot becompletely understood吗

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some common phenomenon are not completely understood.能换成some common phenomenon cannot becompletely understood吗

some common phenomenon are not completely understood.能换成some common phenomenon cannot becompletely understood吗
some common phenomenon are not completely understood.能换成some common phenomenon cannot be
completely understood吗

some common phenomenon are not completely understood.能换成some common phenomenon cannot becompletely understood吗
意思略有不同吧,前者指的是没有被完全理解,后者则是不能被完全理解.

可以的