Tìm hiểu các thuật ngữ cơ bản về forex. Đọc bảng báo giá ngoại hối. Xác định đơn vị tiền tệ bạn muốn mua vào và bán ra. Tìm hiểu cách tính lợi nhuận.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
The type of currency you are spending or getting rid of, is the base currency. The currency that you are purchasing is called quote currency. In forex trading, you sell one currency to purchase another. The exchange rate tells you how much you have to spend in quote currency to purchase base currency. A long position means that you want to buy the base currency and sell the quote currency. In our example above, you would want to sell U.S. dollars to purchase British pounds. A short position mean