in a team和on a team的区别在于中文含义不同，用法不同。in a team意为在队里，指单纯在队伍里，常用于英式英语；on a team既有在队里的意思，还有已经成为队里的一员的意思，常用于美式英语。
1、in a team即在队里的意思,指单纯在队伍里，是英式英语。
If you have to work in a team you must learn to read people
如果要在一个团队中工作你必须学会了解他人。
You need to know how to work in a team with other people.
你需要知道怎样和其他人一起团队工作。
It is now simple and easy to work in a team, so you save time.
现在在团队中工作，简单又方便，因此为您节约了时间。
Developing software in a team is much like playing an instrument in a band.
在团队中开发软件非常类似于在乐队中演奏乐器。
In a team sport, one person cannot take all the credit.
在团体比赛中，个人不能独享所有的荣誉。
When operating in a team environment, always assign tasks based upon skill.
在团队环境中工作，要始终坚持按技能分配任务的原则。
1、on a team意为在一个团队里，既有在队里的意思，也有已经成为队里一员的意思。是美式英语。
The first year I played basketball I was on a team of all boys.
我第一年打篮球时，队伍中都是男生。
One man can be a crucial ingredient on a team, but one man cannot make a team.
一个人可以是一个团体的关键要素，但一个人永远不能成为一个团队。
And it can feel that way especially if you are the minority on a team.
尤其当你是团队里的少数派时，这种感觉更加明显。
Things are quite different on a team of twenty.
一个二十人的团队情况就更不一样了。
Therefore, the developers that are needed must also be skilled in working on a team.
这样，就需要开发者也必须具有良好的团队精神。
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