Swiftness means fast , got it ?

“疾”就是快，你懂么？

And it teaches you the importance of swiftness and speed .

它还让我懂得了快速做出反应和速度的重要性。

When a federal appeals court late last year struck down some u.s. tariffs on cheap chinese imports , congress acted with unusual swiftness .

美国一家联邦上诉法院去年底宣布美国对中国输美廉价商品征收的部分关税无效时，美国国会立即采取行动，其迅速程度可谓罕见。

But the swiftness with which the border was reopened highlighted a more recent dynamic : a variety of north korean agencies and individuals have vested interests in expanding commercial links with china and have become an interest group among the country 's elite , analysts say .

不过，分析人士说，中朝边境重开的速度如此之快凸显了近期的一种动态：一些朝鲜的机构和个人在扩大与中国的商贸关系方面拥有既得利益，并且成为了该国精英当中的一个利益群体。