There are then two possibilities.

这时有两种可能性。

If the reply is 'ozo,' there are two possibilities.

如果回答是“哦”，那么有两种情况。

Of the two possibilities, the former is more likely.

在两者之中，前者可能性更大。

Of the two possibilities, this is more likely than that.

两个可能性中，后者比前者的可能性更大。

These two possibilities go well with the etymology of dubious.

这两种可能性与单词dubious的词源都可以有很好的搭配。

Again, two possibilities listed simultaneously lead to strange results.

再次的，两种同时出现的可能性导致了陌生的结果。

Every pair only has two possibilities: they either know each other or they don't.

每两个人只有两个可能性：他们认识对方或不认识对方。

The former two possibilities sometimes necessitate a good deal of compilation time;

在前两种情况下，有时必须耗费大量的编译时间才行；