Why am I supposed to tip the barber for cutting my hair but not the dentist for fixing my teeth?

为什么我应该给为我理发的理发师小费，而不必给为我修牙的牙医小费？

youdao

Objective With cutting dermis pad of eyebrow and silicone prosthesis to redound nasal tip, to probe into application of body dermis in cosmetic surgery.

目的用切眉制成的真皮垫结合硅胶假体行隆鼻术，探讨自体真皮在美容外科的应用。

youdao

The actual separation of the metal starts as a yielding or fracture, depending upon the cutting conditions, starting from the cutting tool tip.

金属的实际分离始于屈服或断裂(视切削条件而定)，从切削刀尖开始。

youdao

Male circumcision is the cutting off of a small amount of skin from the tip of the penis.

VOA: special.2009.04.01

For the SNP, Stewart Hosie warned that the government's cuts could tip the country back into recession and insisted it was not the time to be cutting "government consumption".

BBC: Alliance Party warns on impact of spending cuts

If a share-price crash did tip the American economy into a dive, then the Fed would inevitably be blamed for not cutting interest rates sooner.

ECONOMIST: Grin and bear it