a black silk negligee的用法和样例：
- She wore a black silk evening gown.
- Teaches you how to sew a Black Silk Pack.
- Since the presentation was in the afternoon, Nora wore her best suit, a black silk one with a lacy white blouse and spotless white kid gloves.
- A massage and a wave, and a collar for the dog, and one of those cute little ash-trays where you touch a spring, and a wreath with a black silk bow for mother's grave that'll last all summer.