This approach was purposeful; the team wanted to understand the processes and methodology well before expanding the circle of participants to include the solution leaders.

这种方法目的很明显；团队希望良好地理解流程与方法，然后再扩大参与者圈子，让解决方案领导者加入。

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The biggest asset at your disposal may be the people you work with. Expanding your circle to cross-departmental colleagues can bring about unexpected benefits.

这份坏工作里最大的财富也许就是和你一起工作的人们。把你的交际圈扩大到部门之外的同事，这会给你带来意外的收获。

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The circle is now expanding from the center and growing outwards.

这个圆圈现在正从中心向外扩展增大。

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High commodity prices have created something of a vicious circle by adding to the expense and difficulty of expanding output.

ECONOMIST: Commodities 1

The conference was part of a rapidly expanding insider trading probe that is ensnaring a widening circle of SAC employees and affiliates.

FORBES: SAC Capital Case A Classic Fed Pincer Move