Yeah, I can work at home, saving the cost of renting an office. And I don't have to hire an extra hand unless I'm extremely busy.

对，我可以在家里工作，省下租办公室的钱。如果不是特别忙，也不用花钱雇人帮忙。

Yeah, if I buy a cell phone like this, I don't have to take a music player everywhere I go, and I can save the cost of buying an extra MP4.

恩，如果我买一个像你这样的手机，就不用随身带着MP4了，还省下了买MP4的钱。

By owning a refinery, we're able to save the cost of that crack and actually just pay and eliminate the middlemen, or the market impact, and just incur the cost of the real production.

通过拥有一家炼油厂，我们能够节省裂缝成本，实际上只需支付费用并消除中间商或市场影响，而只需承担实际生产的成本。

You could give them their night-time bath, because it is two days since they had their last one, or save the cost of the heating for some new winter boots – theirs are too tight and letting in water.

你可以给他们晚上洗个澡， 因为距离他们上一次洗澡已经两天了，或者省下一些新冬靴的暖气费用——他们的靴子太紧了， 容易进水。