a cheaper pair的意思|示意

I can't afford a pair of Nike, too expensive. Get me something cheaper, please.

耐克鞋太贵了。我买不起。我看看便宜的吧。

Managing a single network is easier and cheaper than struggling to cope with multiple networks, each geared for a specific service, such as the "twisted-pair" wires upon which voice calls travel.

运营多个网络并使每个网络针对某种特定服务，例如用于传送语音电话的双绞线，难度大，费用高，与此相比，管理单个网络相对容易而且费用偏低。

Since it's just assembling molecules, presumably it would be cheaper for this thing to make you a pair of diamond earrings than a hot dog, since fewer molecules and less energy would be required.

既然只是分子的组装，那么可以推出，用这个机器做一对钻石耳环会比做一只热狗便宜，因为做前者用的分子和能量更少。

It is better to take a pair of expensive shoes instead of a few pairs of cheaper ones.

与其买很多双廉价鞋子，不如备一双贵点的好鞋。

Do you have a cheaper pair?

你是否有一双便宜的？

They may be wet, even a bit briny, and it might be hard to find a matching pair, but you won't find Nike Inc. shoes cheaper anywhere.

也许是湿的，可能还有点咸，而且要凑成一双还有点困难。不过，世界上也许再也找不着比这更便宜的耐克运动鞋了。