“unusual phenomenon”可以造什么句，unusual phenomenon造句

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.

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.