維持費的英文：
maintenance charges (or costs); costs of maintenance
n. 维持，保持；维修，保养；抚养；生活费
MAINT [maintenance]
维护| 保养
Is the maintenance by a systematic preventative maintenance system?
保养维护是否有系统的预防性维护机制？
The maintenance of free trade is correct.
主张自由贸易是正确的做法。
n. 费用；电荷；掌管；控告；命令，指示；指责
v. （使）充电；使承担；指责；装载；索价；向前冲；控告；把...记入帐册
charge the enemy
向敌人冲去
mileage charges
按英里程计算的运费
What is this charge for?
这项费用是什么？
v. 花费；使付出；估价
n. 费用；代价；成本；损失
Cost was no consideration.
费用无关紧要。
The cost will be astronomical.
费用将是一笔天文数字。
These costs are charged to an asset account entitled organization costs.
这些成本被计入一个名为开办费的资产账户。