1. There's the fear, for instance, that parents might clone a child for the sake of having "surplus parts" in case the original child needs an organ transplant.
    例如，有人担心父母克隆孩子是为了要有"备用器官"，以备这个孩子器官移植之需。

2. No surplus of accumulated purchasing power stands between him and the tyrannies of unfriendly nature .
    在个人与不友善的自然的残暴之间不存在聚集的购买力过剩.

3. Mexico has a large surplus of oil.
    墨西哥石油大量过剩.