你可能感興趣的試題

A.不同債券間是可以替代的
B.市場(chǎng)是完全分割的
C.投資者對(duì)不同債券之間存在著偏好
D.收益曲線是保持上升形狀的

A、以較少的資源投入而獲取較多的服務(wù) To acquire more services with less resource input
B、以較多的資源投入而獲取較多的服務(wù) To obtain more services with more resource input
C、以較少的資源投入而獲取較少的服務(wù) To obtain less service with less resource input
D、以較多的資源投入而獲得較少的服務(wù) To obtain less services with more resource input