So, as they're very quietly handing out your class notes, let's think about what this bond is here, this boxed bond, is it a pi bond or a sigma bond?
在他们发讲义的同时，我们来看看这个键，方框里的这个键，它是sigma键还是π键？
Mortgages payable, long-term leases, long-term notes payable, and bond payable are a few examples of long-term liabilities.
应付抵押借款、长期租赁、应付长期票据，以及应付债券都是长期负债的一些例子。
The euro quickly became a major international currency: the euro bond market soon came to rival the dollar bond market; euro bank notes began circulating around the world.
很快，欧元成为主要国际货币之一：欧元债券市场迅速成为美元债券市场的竞争对手；欧元钞票开始在全世界流通。
The euro quickly became a major international currency: the euro bond market soon came to rival the dollar bond market; euro bank notes began circulating around the world.
很快，欧元成为主要国际货币之一：欧元债券市场迅速成为美元债券市场的竞争对手；欧元钞票开始在全世界流通。
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