You can also use the repeat operator, which you may recognize as the multiplication operator, to buildup a bigger list from small segments.
您还可以使用重复运算符,可以将该运算符识别为乘法运算符,以便从小片段中构建更大的列表。
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Any expression which is used to buildup a compound sentence out of simpler sentences will be called a sentential operator, because it "operates" on sentences to produce more complex forms.