Usually only the waiter or waitress who serves the customer at a table is given a tip or gratuity for their service. Tips are a part of the salary of the waiter or waitress.是什么意思_Usually only the waiter or waitress who serves the customer at a table is given a tip or gratuity for their service. Tips are a part of the salary of the waiter or waitress.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句