基本解釋[經(jīng)濟學(xué)]免收稅款英漢例句雙語例句All parents shall perform assigned school volunteer work unless a fee is paid to waive this obligation. The parents are responsible to fill out the forms upon completion of school duty.除繳納過義務(wù)服務(wù)赦免費的家庭外，所有家長應(yīng)主動為學(xué)校提供義務(wù)服務(wù)，并及時填寫自己的“家長完成義務(wù)服務(wù)記錄簿”。waive duty更多例句專業(yè)釋義經(jīng)濟學(xué)免收稅款