a soft option的用法和样例：
- They are anxious that the new course should not be seen as a soft option.
- Many science students think that a language course is a soft option at university.
- Hele qconsidered staying with her mother a soft option because she did not have to worry about house-keeping.
- Helen considered staying with her mother a soft option beco se she did not have to worry about house-keeping.
- Graphite is a soft black substance.