这是一张划线支票，是不可流通的。

This is a crossed check, It is not circulate.

youdao

此外，它们还只能经营国际性的货物快递业务(它们不可以在中国的城市之间进行货物流通的操作)。

Further, they were required to handle only international express cargo business (they were not permitted to do cargo handling business within the Chinese cities).

youdao

到这里，我们最好暂停一下，来研究机制中最不可控制、同时也是最不可思议的一个因素：货币流通速度。

At this point we had better pause to examine that least controllable and most mysterious of all elements in the machine, the velocity of money.

youdao