This is the 4428th most frequent Chinese word.
掛牌
"掛牌" means "to list, put up a sign, or go public (e.g., in business or stock exchange)."
Here, '掛牌' signifies the action of being listed publicly for trading in a stock exchange context.
公司在證券交易所掛牌上市。
The company is listed on the stock exchange.
In this sentence, '掛牌' refers to starting operations with a formal signage setup.
新餐廳今天掛牌營業。
The new restaurant starts operations today.
'掛牌' in this context means displaying a sign indicating the nature of business activities.