This law is known to hold true for galaxies at a distance of at least several billion light years.

这个定律被普遍认为同样适用于至少数十亿光年之远的星系。

《柯林斯英汉双解大词典》

Since the lifetime of a planet like ours is several billion years, we can expect that, if other civilisations do survive in our galaxy, their ages will range from zero to several billion years.

由于我们这样的行星的寿命是几十亿年，我们可以预测，如果我们星系中有其他生物生存，它们的年龄将从零到几十亿岁不等。

youdao

That would put back the costs and save several billion pounds.

这将降低成本并节省数十亿英镑。

youdao

Experts say hoarseness costs several billion dollars a year in lost productivity from people missing work.

VOA: special.2009.09.02

You build a steel plant with a capital cost of several billion dollars.

你可以建立一个钢铁的地球,只要几十亿元的投入。

麻省理工公开课 - 固态化学导论课程节选

Event organizers have had seven years and several billion dollars to plan for these Winter Games.

VOA: special.2010.02.10

It also has several billion dollars in credit with U.S. and other international commercial banks.

FORBES: Fact and Comment

Weigman estimates that in-flight Wi-Fi will be a several billion-dollar market in a few years.

FORBES: In The Air

Generali has a war chest of several billion euros, even without having raised new capital.

ECONOMIST: European insurance