问一个语法问题
during the 1980's, the income gap between the richest and the poorest Americans widented significantly, and it continued to expand in the 1990's.寄托家园;qig.F/Y u` O&U
|留学|签证|TOEFL|GRESo+l4u:b-gO
这是OG上一道语法题的答案 但是个人认为这里面不是有个Comma splice嘛 significant后面不是该用分号嘛 麻烦达人解答一下为什么用逗号
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