a public auction的用法和样例：
- In mid-August, according to the City Center shops will be a public auction five years leasehold, said many businesses have expressed strong Jingpai intentions.
- We had a private view of the jewels before the public auction.
- We have a private view of the jewel before the public auction.
- Clarity of diction is vital for a public speaker.
- The first day of the month is a public holiday.
- We had a private viewof the jewels before the public auction.