About 7% of all Americans suffer from hay fever, an allergic condition that can cause runny nose, sneezing, and teary eyes.
大概7%的美国人在遭受着过敏之苦，过敏病可以引起流鼻涕，打喷嚏和流眼泪。
About 7% of all Americans suffer from hay fever, an allergic condition that can cause runny nose, sneezing, and teary eyes.
大概7%的美国人在遭受着过敏之苦，过敏病可以引起流鼻涕，打喷嚏和流眼泪。
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