1.price tag 价格标签；标价

The costs of this approach would not cost trillions of dollars which is what the current price tag is for keeping the banks afloat.

这种方法的成本不会耗费数万亿美元，而目前为保持银行不垮台的价格标签（译者注：即目前的成本）则会。

2.roll in 大量涌进；到达;滚滚而来

on't forget, I have always kept the money rolling in.

不要忘记，我总是有大量钱财滚滚而来。

3.close in 逼近；迫近

Hitler himself committed suicide as Soviet forces were closing in on Berlin.

当苏联军队逼近柏林的时候，希特勒自杀了。

4.arithmetic n.算术，算法

hat school puts particular emphasis on arithmetic and reading.

那所学校侧重算术和阅读。