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算的，麦卡。

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和彻底欺骗的记录，这对美国来是一项算的交。

You negotiated what you thought was a good deal.

你通过协商得到了你以为是算的交。

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.

他他认为对动物园来这是个算的安排，因为他们无论何时想要一只小号手天鹅，路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，经济算的模式建立在“人们自觉地衡量相关因素再决定......这一假设之上”，而心理学研究表明，大多时侯他们不做这样的事。