Base Currency (基础货币)

Trade: Displays your account balance, equity, margin, free margin, margin level and any open positions and pending orders
Account History: Displays a complete breakdown of all the orders you have placed including date and time, type, size, instrument, price at open, take-profit and stop-loss levels, price and time of closure, swap fees and profit.
Journal: Provides a list of all the actions you have taken on your MT4 terminal as well as their respective dates and times.

基础货币是指给定货币对报价中的第一种货币。基础货币表示购买一个单位的基础货币所需的报价货币（给定货币对报价中的第二种货币）数量。