With 24 jams, only 3 percent made a purchase.

当放置 24 种时，仅有百分之三的人买了果酱。

While, the poorest five percent make less than ten thousand.

最贫穷的5%的家庭年平局收入不足一万美元。

And the city estimates it will reduce congestion by 8 to 13 percent and increase speeds by up to 9 percent, making a ride through midtown a lot easier.

纽约市估计，这将减少8%至13%的交通拥堵，并将最高速度提高9%，使穿过市中心变得容易得多。