Do you have a cheaper pair?

你是否有一双便宜的？

youdao

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。

youdao

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。

youdao

However, if the wardrobe budget does not stretch to a pair of pricey boots, then there is plenty of cheaper alternatives on the high street.

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