会议费的英文：
convention expense
n. 大会；习俗，惯例；协议
- conventional community
契约上的财产共有，约定财产共有 - Convention on Succession and Administration of Estates
遗产继承和管理公约 - By convention, you should follow this guideline.
所以习惯上你应该遵守这个指导原则。 - The convention is scheduled for the fall.
大会定在秋季召开。 - Old conventions die hard.
旧的习惯势力是不会轻易消亡的。
n. 消费，开支；损失
- duplicate expenses
使费用加倍 - You will be reimburse for your expenses or your expenses will be reimburse.
你的花费将得到偿还。 - All the expenses fall on me.
全部费用由我支付。 - To enrich oneself at others expense
损人利己 - It's handmade and hence expensive.
这是手工做的，因此很贵。