trade [treɪd] ① n. 贸易，交易；营业额，交易量；行业；（尤指需要特殊手工技巧的）行当，手艺 ② v. 做买卖，做生意；交换
例句 In one study of software developers, Waber, working alongside researchers
from IBM, found that workers in the same office traded an average of 38
communications about each potential trouble spot they confronted, versus
roughly eight communications between workers in different locations.
在一项针对软件开发人员的研究中，瓦博与 IBM 的研究人员共同发
现，在同一地点办公的员工平均就遇到的每一个潜在故障点交流 38
次，而在不同地点办公的员工则交流 8 次左右。
