1·In your private household, you would surely prefer to pay less for more rather than the other way around, yet that would be termed an "unfavorable balance of payments" in foreign trade.
从个人角度看，你当然是喜欢付出更少，得到更多了，但这种行为在自由贸易中会被冠以“国际收支逆差”的大帽子。