balance of transaction的用法和樣例：
例句
- Official Reserve transaction Balance is intended to measure the net exchange market pressure on a country's currency.
官方儲備交易平衡是用來測量對一國貨幣的凈外匯市場的壓力。 - The official reserve transactions balance is most useful when the monetary authorities are charged with the maintenance of stable exchange rate.
當貨幣當局承擔維持匯率穩定這項任務時，官方儲備交易平衡是最有用的。
