Cách sử dụng
The expression "tie in" refers to connecting or associating one thing with another. It is commonly used when there is a connection between different ideas, events or facts. For example, a company may tie in one of its products with a promotion or campaign for another product, or a movie may tie in a scene from a previous movie in the same series. In general, "tie in" can be used in various contexts where there is a linkage or connection between two or more things.