Less complex, more efficient, more bang for the buck.

少些复杂，多些效率 更合算些。

That makes it uneconomical to smuggle.

这使得走私该叶片变得不合算。

Yes, the shingles are fixed and I got a good trade on the mules.

瓦已经准备好了，骡子也交换得很合算。

But using such plastic as a replacement for bitumen is cost-effective, claims Mr McCartney.

但是使用这种塑料作为沥青的替代品是很合算的，麦卡特尼说。

" A double portrait, can't save more than that, and we'll both sign it for you."

“双照，再合算不过了，我们两给你签名。”

Despite North Korea's record of caprice and outright deceit, this is a good deal for America.

尽管朝鲜曾有反复无常和彻的记录，这对美国来说是一项合算的交易。

Better beancounting would make it easier to ascertain what might be better off in private hands.

一个好的会计核算制度会让们更容易确定哪些公房私买之后 比较合算。

The more you buy, the more you save.

买得越多越合算。

You negotiated what you thought was a good deal.

你通过协商得到了你以为是合算的交易。

I think $8 is steep, considering their condition.

我觉得考虑到质量问题的话 8美元不太合算。

The lunch special is really good value.

【value】特价午餐非常合算。

It’s an attractive little home, and I think it’s a bargain.

【bargain】这是一个漂亮的小居所，我觉得买得很合算。

Second-hand computers can be excellent value.

【excellent，excellently】二手计算机买得好会非常合算。

He said he thought it would be a good arrangement for the Zoo, because any time they wanted a young Trumpeter Swan, Louis would give them one of his cygnets.

他说他认为对动物园来说这是个非常合算的安排，因为他们无论何时想要一只小号手天鹅，路易斯都会把他的小天鹅送给他们一只的。

Mr Mlodinow notes that economic models, for instance, are built “on the assumption that people make decisions… by consciously weighing the relevant factors”, whereas the psychological research suggests that, most of the time, they do no such thing.

例如，蒙洛迪诺指出，经济合算的模式建立在“们自觉地衡量相关因素再决定......这一假设之上”，而心理研究表明，大多时侯他们不做这样的事。

On the other hand, the logistics of teaching farmers in Bangladesh to breed ducks instead of chickens, for example, would be relatively simple and cost-efficient – and since ducks float and chickens don't, it's a sensible adaptation to climate change!

另一方面，教孟加拉国的农民喂养鸭子，而不是养鸡，这样的方式会更加简单，更加合算。因为鸭子会游泳，而鸡不会。这就是适应气候变化！