Such explanations, however, illuminate neither the source of this curious convention nor the reason for its popularity.

然而，这样的解释既不能说明这个奇怪的惯例的来源，也不能说明它流行的原因。

youdao

youdao

youdao

What do you think is the reason for San Francisco being such a diverse place with people from all around the world?

为什么旧金山能聚集全世界各个地方的人呢？

移民者的都市 - SpeakingMax英语口语达人

If you are selling for a reason such as a municipal tax increase or a labor union certification, it will be even harder to sell.

FORBES: What Is the Liquidity Premium? What Does It Mean?

An NA means the results are not available for some other reason, such as the school had too few pupils (10 or fewer) for its results to be reported in the relevant year, or was not open at the time.

BBC: NEWS | UK | Education | Guide to the primary school tables

But the best reason for such an edge may come from the Republicans themselves.

ECONOMIST: How one of the South��s diminished Democrats hopes to hold on