商务词汇（已翻译）：
upgrade:
to replace or improve something so it is better quality.
vender:
a company that sells a particular product.
productive:
doing or achieving a lot.
crash:
a sudden failure of a machine or system, especially of a computer or computer system.
negotiate:
to try to reach an agreement by formal discussion.
standard model:
standard: a level of quality, especially one that people think is acceptable.
model:a simple description of a system, used for explaining how sth works or calculating what might happen, etc.
memory:
the part of a computer where information is stored; the amount of space in a computer for storing information.
hard drive:
a part of a computer that reads data on a hard disk.
budget:
the money that is available to a person or an organization and a plan of how it will be spent over a period of time.
简短对话：
完整对话（注意标红位置）：
谈判之前，公司内部总是要开会进行比较的沟通，下边是一个完整例子。
see you tomorrow.