at source at the point of origin or issue 在源头： reduction of pollution at source. 在源头上减少污染。 ■ used to show that a sum is deducted from earnings or other payments before they are made （从工资或其他付款中）直接扣除： your pension contribution will be deducted at source. 你的养老金部分将被直接扣除。 at ˈsourceat the place or the point that sth comes from or begins在源头；从一开始Is your salary taxed at source(= by your employer)?你领的是税后工资吗？ |