现在我们最常用的贸易方式是逐笔售定,即通过磋商,达成交易,签订合同,然后交货付款,在履行合同后即告结束。这种一锤子买卖,虽然方式比较简单,但它的主要缺点是零打碎敲,多头成交,导致在国际市场上的自相竞争;而且由于外商对商品的 Now, the most common trade method we use is the one-by-one sale. That is, through negotiation, a deal is concluded, a contract is signed, and then the payment is delivered. After the contract is fulfilled, it ends. This kind of one-stroke deal, though simpler, has its main drawbacks: it is a piecemeal trade, which leads to a self-competition in the international market;