学习资料
[意 思]n. 维持,保持
[例]  The maintenance of law and order is of vital importance. 法律与秩序的维持是至关重要的。
n. 维修,保养
[例]  Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
n. 抚养,生活费,赡养费
[例]  She worked hard to earn money for the maintenance of her family.
她卖力干活为了挣钱养家糊口。