Checks serve as money, although they are not legaltender.
尽管支票不是法定货币，但可以作为货币使用。
2
Checks serve as money, although they are not legaltender, because they can be collected quickly and cheaply through the banking system.
尽管支票不是法定货币，但可以作为货币使用，因为它可以通过银行系统较快捷、费用较低地来托收。
3
The principal differences between a national electronic money system and commercial bank-card systems would be: The money system would be federally operated; Payment would constitute "legaltender".