Approval sale is a kind of special trade, and it plays an important role in practical life.

试用买卖是一种特种买卖，在现实生活中具有重要的作用。

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Now there is short of thorough and delicate research in theory. The common people almost know nothing about approval sale.

目前，理论界对试用买卖制度尚缺乏深入而细致的研究，普通民众对之几乎一无所知。

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As a condition of receiving state approval for the sale, the company agreed to seek permission from state regulators to operate past 2012.

作为获得国家批准交易的条件之一，该公司同意向国家监管机构申请在2012年之后继续运营。

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Clay especially wanted approval of a bill to give the different states money from the sale of public land.

VOA: special.2009.02.05

On Monday, the NBA gave tentative approval to the sale of the woeful Sacramento, Calif.

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Monsanto has received U.S. Department of Agriculture approval for commercial sale of Bt strains of corn, potatoes and cotton.

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The company expects final sale approval no later than April 20.

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