问题如下：
In order to reduce trade deficit in a country, a feasible way is
选项：
A.
Increasing its capital account surplus.
B.
Decreasing expenditures relative to income.
C.
Decreasing domestic saving relative to domestic investment.
解释：
B is correct.
In a country, decreasing a capital account surplus will improve a country trade deficit, which means domestic savings increase relative to domestic investment. Domestic savings increase means decreasing expenditures relative to income. A large capital account surplus (an increase in net foreign borrowing) and a greater trade deficit is consistent with decreasing domestic saving relative to domestic investment.
考点：The Trade Balance
解释：在一个国家，减少资本账户盈余将改善该国的贸易赤字，这意味着国内储蓄相对于国内投资有所增加。所以A错误，B正确。
而国内储蓄的增加意味着支出相对于收入的减少。所以C错误。
巨额资本账户盈余(净外国借款的增加)和更大的贸易逆差，与国内储蓄相对于国内投资的减少是一致的。
这道题完全没懂。如果要国际收支账户平衡，在经常性账户有赤字的情况下，不是应该让资本账户有结余吗？A选项不就是增加资本账户盈余的意思吗？可能是我这块内容完全没弄懂，以至于没看懂答案解释，还麻烦老师讲解下,谢谢！
