Hospital admission is not necessary in most cases.

大多数情况下，病人无须住院。

Investors can simply pay cash, but this isn't a workable solution in most cases.

投资者可以仅付现金，但这在多数情况下不是一种切实可行的解决办法。

In most cases, we only need a few but not all.

在大部分情况下，我们只需要几个而不是全部。

This is because the attachment that American Jews feel to Israel is too weak, in most cases, to sway their vote.

这是因为美籍犹太人对以色列的依恋在大多数情况下太过脆弱，以至于无法左右他们的投票。

This is fine in most cases.

在大多数情况下这没什么问题。