quarterly adj.季度的，按季度的;四分之一 adv.按季的;[农] 一季一次地;纵横四分地 n.季刊;季考

attendee n.（会议等的）出席者

keep in mind 记住;怀;挂心;志

emergency n.紧急情况;突发事件;非常时刻 adj.紧急的，应急的

slang n.俚语;黑话 vt.用粗话骂;用俚语

perk vt.& vi.振作;（使）活跃;竖起，翘起;滤煮n.额外津贴，外快

shame n.羞愧;羞辱;可耻的人;羞愧感 vt.使蒙羞;玷辱;使感到羞愧;使相形见绌

Can not fully understand the meaning of the customer

vs. versus prep.对抗;（表示两队或双方对阵）对;（比较两种不同想法、选择等）与…相对

memo n.备忘录;（美）内部通知

conference n.会议;讨论;（正式）讨论会;[工会、工党用语]（每年的）大会 vi.举行或参加（系列）会议

present adj.目前的;现在的;出席的;[语法学]现在时的 n.现在;礼物;瞄准

presentation n.提交;演出;陈述，报告;颁奖仪式

I have no right to decide that 

You should know that which theme or topic will we talk about in the meeting.

before the meeting start,Or earlier you should prepare some detail information,These information will help  you  Speak more confident.

You need good communication with all the participants. Good communication can make our work more efficient.