Taxes cause deadweight losses because they prevent buyers and sellers from realizing some of the gains from trade .

税收引起的无谓损失是因为它使买者和卖者不能实现某些贸易的好处。

To the extent effective , the tax would eliminate the deadweight cost of congestion .

就影响面来说，这样的税消除拥挤带来的净成本。

A 165 per cent surge in first-half orders for china has led to the change at the top in terms of deadweight tonnage .

以载重吨位计算，今年上半年中国承接的造船订单飙升165%，导致全球最大造船国的席位发生变化。

Indeed , opponents like to blame keynesian policies for incurring avoidable debts as a deadweight burden , if not on us then on our grandchildren .

实际上，反对者喜欢指责凯恩斯主义政策把本可避免的债务变成了重负即使不是由我们承担，也是由我们的后代承担。

But you collect cash from those earning above the bracket without discouraging work and causing deadweight loss , because their overtime pay will not attract extra tax .

但你可以从收入高于这一范围的群体那里收钱，而不会影响工作热情和造成无谓损失，因为他们的加班收入不会带来额外的税务负担。