“unusual phenomenon”簡單造句，unusual phenomenon造句子

There are special reasons for this unusual phenomenon.

I shall endeavor to place this most unusual phenomenon in the context of the broader changes in our economy and, I hope, to explain why education, especially to enhance advanced skills, is so vital to the future growth of our economy.

Must strictly abide operate specification, should stop work immediately and identify the reason when have a unusual phenomenon in working. Start work again after clearing of fault.