betterments
n. 改好,改良,改进( betterment的名词复数 )
The cost of rehabilitation plus betterments approached 40 % of the value of the structure.
修复费加上加固费接近建筑物造价的40%.
The last part of this paper draws the conclusion and conceives this task's betterments. "
最后一章给出结论以及本工作的改进方向.