留美老师带你每日说英文 第379期:你要会算数!

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台湾籍旅美老师今天交给我们的句子是：

You have to know math. You should know your multiplication table. You should know how to multiply, add, divide and subtract. At least that stuff, you gotta know it. You gotta know it.
你要会算数！你应该要背熟九九表的。你应该要懂得怎么乘法、加法、除法跟减法。至少要会一下！你真的要会啦！真的！