Earmarks like these represent a relatively small part of overall federal spending .
相对于联邦政府的所有支出而言，这些专项拨款只是很小的一部分。
Presumed republican presidential nominee john mccain had called for the ban on earmarks .
预计将获得共和党总统候选人提名的麦凯恩参议员呼吁禁止议员专项拨款。
But deficits and wasting taxpayer dollars aren 't the only concerns with earmarks .
但是赤字和浪费纳税人的钱财不是关于拨款的唯一担忧。
The suspicion that congressmen often push through earmarks benefiting certain firms or institutions in exchange for campaign contributions is difficult to prove , but commonplace .
