And they complain that regulation hampers their expansion .

他们抱怨称一些规定阻碍他们发展。

Such instability hampers progress toward economic development .

这种不稳定状态阻碍了经济发展的步伐。

The protectionists have never learned that curtailment of imports inevitably hampers exports .

保护主义者们从来不知道，对进口的限制必将阻碍出口。

Smoking hampers the blood supply that keeps skin tissue looking supple and healthy .

抽烟阻碍了血流供应，也就破坏了皮肤组织健康弹性的外观。

This is not merely absurd and unjust ; it also hampers education and research .

这不仅仅是荒谬和不正义的，还阻碍了教育和科研。