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1.roll out 展开；铺开
And after a couple of months, I'll roll out another new idea.
几个月之后，我将使用另一种新思维。
2.in charge of 负责；主管
He is in charge of the school work.
他负责学校工作。
3.figure out 想出；算出
They're trying to figure out the politics of this whole situation.
他们正试图弄明白整个情形背后的权术争斗。
