就在我们穿过哈德逊大街(Hudson Street)的时候，我们费力的穿过一队上学的孩子组成的队伍，他们两人一组，手挽着手过马路。
As we crossed Hudson Street, we waded through a passing stream of preschool children walking in pairs, holding hands.
两人一组为单位，自由讨论我们如何减少上述过程卡片中提到的每一种影响?。
Working in pairs, brainstorm how we could reduce each of the impacts identified in the process cards.
两人一组为单位，自由讨论我们如何减少上述过程卡片中提到的每一种影响?。
Working in pairs, brainstorm how we could reduce each of the impacts identified in the process cards.
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