Cách sử dụng
Upgrade means to enhance or improve something, typically a product, service, or technology. You can use the word upgrade in different contexts, such as upgrading your phone, upgrading your computer software, or upgrading your car. It means improving the features or performance of something to make it better than before. You might also use the word upgrade in situations where you're talking about moving to a better or more advanced version of something. For example, upgrading to a first-class seat on a plane means moving from a standard seat to a more comfortable and luxurious one. In general, upgrade is used to refer to any kind of improvement or progression towards something better.