Send them back to us, and we'll refund the full cost.

请邮寄回来，我们将退还全部费用。

Bob Cornwell returned to his home in California.Back home, he learned that the cost of building a primary school in Burma was just $15,000 to $20,000.

Bob Cornwell回到在加州的家中，回家后，他解到，在缅甸建造一所小学只需花费1.5万到两万美元。

From conception to cornerstone, it only cost five years.

从构思到开工只用 5年时间。

I doubt Mom and Dad would get you that for your birthday. She costs a pretty penny. Plus, you’d most likely break her.

我怀疑爸爸妈妈会怒会买给你做生日礼物，她挺贵的，而且你很可能弄坏她！

The traffic is heavy and the cost of living is high.

交通拥挤并且生活费用高。

They cost a tremendous amount of money.

东西要花一大笔钱。

Mine cost a dollar, and yours didn't cost anything.

我的马一美元，你的一分钱都不。

Turner's refusal to beat the patriotic drum or wag the flag cost him patrons.

特纳拒绝为国家的胜利摇旗助威令他资助人。

A disunited nation therefore has to incur unduly high costs of government.

因此，一个处于分裂的国家必须要支付过高的行政管理费用。

Variable costs change with the amount produced.

可变成本随生产数量的变化而变化。

But Congress should look into doing so directly, by helping to finance PreCheck enrollment or to cut costs in other ways.

但是国会应直接寻求降低背景调查费用的方法，通过为“PreCheck”注册提供资金帮助或者使用其他办法降低成本。

Also, we will be driving down the costs.

同样，我们将降低费用。

Can we go on to discuss advertising costs?

我们能继续讨论广告费的问题吗？

The upfront costs of " minting" NFTS are low, meanwhile, meaning potentially unlimited supply.

与此同时，NFTS的前期“制造”成本很低，这意味着潜在的无限供应。

If it costs more than 10 grand, it earns a proper name.

它1万美元呢 配得上这个有品的名字。

Ordinary secretaries cost 50 euros per hour.

文秘办事员50欧元/小时。

We used an apple and it cost pennies.

我们只用一个几分钱的苹果。

And if anyone can put together a plan that is demonstrably better than the improvements we’ve made to our health care system – that covers as many people at less cost – I will publicly support it.

如果有人能拼凑出一个计划，明显优于我们推动的医保体系，以更低的价格覆盖更多的人，我会公开支持它。

This quirk is called the sunk cost fallacy.

这种怪癖被称为“沉没成本谬误”。

So we convene today to dedicate ourselves to this expedition to hold the torch lighting the darkness, to emancipate, to guide, to inspire, to motivate, even at the cost of our lives.

所以今天我们聚集在这，全身心地投入这段探索之旅，紧握手中的火炬照亮黑暗，解惑，引领，启发，激励，即便付出生命也在所不辞。