You feel that it's uneconomical. Why is this?

你觉得这很不划算。这是为什么呢？

《柯林斯英汉双解大词典》

Why is the sea salty?

海水为什么是咸的？

youdao

Why is it anonymous?

为什么它是匿名的？

youdao

But why is that? A study published in two thousand three in the journal Science offered an answer.

VOA: special.2009.06.24

So,composition alone can't give you the answer to the question why is the plywood superior to the solid pine board?

只用组成成分无法解答,这个问题,为什么胶合板要优于松木板呢？

麻省理工公开课 - 固态化学导论课程节选

And I'm trying to go uptown. Why is this happening to me? What's going on?"

我想去城外。为什么这会发生在我身上？怎么回事？”

纽约的交通手段 - SpeakingMax英语口语达人

So why is it so hard for most nonprofits to get funding for communications?

FORBES: The Secret to More Effective Philanthropy: Funding the Unknown

Now tell me again, why is it a conflict for advisors to own company stock?

FORBES: Advisor Independence: Is the SEC Off the Mark?

And they explain why Europe is in trouble and why Illinois is in trouble.

FORBES: Illinois Downgrade Provides More Evidence that Higher Taxes Make Fiscal Problems Worse, not Better