The wealthy are not necessarily happy; likewise, the poor are not necessarily sad.

有钱人未快乐；同样地，穷人未悲伤。

Your journey forward will not always be easy.

然而前途未总一帆风顺。

But that won't always be the case.

但此景未长在。

The mistake doesn't necessarily mean anything serious.

这项错误未很严重。

But that's not necessarily a bad thing.

但这未件坏事。

She didn't necessarily feel sorry for me.

她未为我难。

Social anxiety is not necessarily about a fear of public performance.

社交焦虑未表着害怕公开表现。

The rich are not always happy.

富人未总幸福的。

Except that that second part isn't really true.

第二部分未完全正确。

But these are not necessarily reasons for concern.

但这些未值得担忧的理由。

It might not even be true.

这都未真的呢。

If I am in luck, however, I may not be gone so very long.

可假若运气好，我未耽搁很久。

But she did not think he would be happy about it.

可她觉得她听了也未高兴。

Oh, I don't think that's true. I think he pinched it.

未如此，我认为他偷的。

Her inspiration came from some unlikely sources.

她的灵感来自一些未真实的消息。

The problem is not necessarily the amount of available funding.

问题未在于可用资金数目的多少。

Let me share with you something that you may not expect.

让我来告诉你们一些你们未预料得到的事情。

You wouldn't necessarily use any of these sentences in a conversation.

你在对话中未会用到任何这些句子。

For now, that something is not exactly fillet steak.

现在那些东西未正宗的菲力牛排了。

Even then, they may not be stable in the long run.

即便如此，它们也未能长期稳定。