The new method USES reference portfolio formed on the base of corporation market value to calculate long-run abnormal returns, USES adjusted-t test or rank test to test abnormal returns.

改进的长期异常回报率计算方法是基于市值的参考组合法，改进的检测方法是偏度矫正的t检验法和秩和法。

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The urgency is such that the company, in chutzpah and haste, hasn't bothered to test market the products.

FORBES: Magazine Article

To appease the angry health gods, PepsiCo is this month launching new versions of Doritos, Cheetos and Tostitos without trans fatty acids in the U.S. The urgency is such that the company hasn't bothered to test-market the products.

FORBES: Pepsi's New Challenge

Some best-selling authors write several books a year, and may be tempted to test the market if they have a manuscript that isn't under contract.

WSJ: Digital Self-Publishing Shakes Up Traditional Book Industry