Although secondary Raynaud's phenomenon affects less than 1% of the population, it can be quite serious when it occurs, resulting in ischemia and ulcers, he said.

虽然继发性雷诺现象只影响了不到1%的患者，但是一旦发生可能会相当严重，最终导致缺血或溃疡，他说。

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Currently reading the students is still quite poor, especially rural primary school students to read more serious phenomenon.

目前学生的课外阅读还是相当贫乏的，特别是农村小学生阅读现象更为严重。

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However, just like foreign countries, the crime phenomenon is quite serious in our country.

然而，与国外类似，财务报告舞弊犯罪现象在我国也相当严重。

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