Grace and Richard work for QWERTY Corp. They have similar experience and both have been promoted to senior managers for a new project. However, Grace is paid less than Richard for the same work. This is an example of:
【单选题】Customer:Waiter, a table for two, please. Waiter:Yes, sir. There&39; s one but it&39; s close to the door. Customer: __________ We&39; 11 take it.