Cách sử dụng
"Long on something" is a way to describe someone who has a lot of something or is very invested in it. For example, if you say someone is "long on enthusiasm," that means they are very enthusiastic. It is often used in financial contexts to describe someone who has a lot of money invested in a particular stock or investment. If you are an English learner, it is important to understand this expression so you can understand when someone is describing their level of investment or commitment to something.