Cách sử dụng
The expression "act for" usually means that one person is doing something on behalf of another person or group. For example, a lawyer might "act for" a client in a court case, meaning that they are representing and speaking for that client. Another example is that a teacher might "act for" a principal in a meeting, meaning that they are there to represent and speak for the principal's views or opinions. So, the phrase "act for" usually implies a sense of representation or speaking on behalf of someone else.