问题描述：
英语副词修饰整个句子时(副词前置),副词和主句之间是否一定要用逗号隔开?
如:It seems going to rain,hence,I take a rain coat.
Concretely,I will show it as follows.
以上句子中的那两个逗号(位于hence后和concretely后),分别是否可以省略?
如:It seems going to rain,hence,I take a rain coat.
Concretely,I will show it as follows.
以上句子中的那两个逗号(位于hence后和concretely后),分别是否可以省略?
问题解答：
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