特例的英文：
special case

The only exception is Giffen's paradox.
唯一的特例是吉芬悖论。

At present such beds are only laboratory curiosities of theoretical interest.
目前这类体层只是实验室里理论上可探索的特例。

a special contributor
特约撰稿人

Specialness is not the truth in you.
特殊性并不是你内在的真相。

Rhineland dishes are a speciality of the restaurant.
莱茵兰菜是这家饭店的特色菜。

the special effects are awesome,
特技效果是非常出色的，

What special terms are there for group ?
团体有什么附加费用？