That's because, well, when you buy your first house you might be twenty-five, so thirty years brings you to age fifty-five; that's close enough to retirement.

这是因为,你可能在25岁时买第一套房子,当还清30年的贷款时你已经55岁了,都快退休了

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That's because, at the end, if- -suppose you're one month or two months away from the payoff of the mortgage, you don't have any balance left, so the interest that you're paying is -hardly any balance left--is very low and so you're payment is paying off principal, mostly.

这是因为,在最后,如果,假设你还剩1到2个月,就可以还清抵押贷款,那么剩下的贷款余额就很少了,因此你所需要付的利息,将会非常少,因为贷款余额几乎为零,此时你偿还的就主要是本金

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