I guess most people think thirty years is long enough, but that's the way mortgages go ever since.

我猜大多数人都认为30年足够长了，这是抵押贷款的演变过程。

youdao

All in all we have no elements to dismiss the tradition of two conjoined twins being born in 1100, living to be thirty-four years of age and starting a long-lasting charity.

总之，我们都没有理由忽视这个传说：1100年一对连体婴出生在比登登，她们活了34年，并创始了一项经久不衰的慈善活动。

youdao

Black bears can live as long as thirty years in the wild, and even longer in game preserves set aside for them.

黑熊在野外可以活到长达30年，在专门的保护区中甚至能活得更长。

youdao

I guess most people think thirty years is long enough, but that's the way mortgages go ever since.

我猜大多数人都认为30年足够长了,这是抵押贷款的演变过程

耶鲁公开课 - 金融市场课程节选

Adjustable rate mortgages have a long term -they might last for thirty years -but the interest rate is not fixed for the whole thirty years.

可调利率抵押贷款的期限很长,也许会长达30年,但是利率在30年间并不是固定的

耶鲁公开课 - 金融市场课程节选

California had not been a state very long roughly, thirty years.

NEWYORKER: Get Rich U.

Thirty years after its birth, the organization will at long last have fulfilled the dream of its founding fathers -- a strategic alliance that encompasses all of Southeast Asia, including Vietnam, which joined two years ago.

CNN: AND THEN THERE WERE TEN

Inge Morath Award An annual award for a woman photographer under thirty years of age to assist in the completion of a long-term documentary project.

BBC: The business of photojournalism