The limits of parameter test of AD effect on expanding commodity sales usually lead to lowering of efficiency.

用参数来检验广告促销效果的显著性，由于假设性限制难以满足，致使有效性下降。

youdao

Cleaning service industries, such as: advertising decoration, packaging, commodity sales, vehicle inspection, pay taxes.

清洁服务行业，例如：广告装潢，产品包装，商品销售，车辆年审，缴税纳税。

youdao

The group became a sales juggernaut in the commodity options business.

这个集团已经成为一个商品期权交易的销售巨头。

《柯林斯英汉双解大词典》

The company has been profit-forecasting on a monthly basis for about 40 years, trying to predict components such as sales, commodity prices and exchange rates.

FORBES: Magazine Article

Gross margins declined both sequentially and y-o-y, but it was about 150 basis points better than guidance as commodity costs declined and sales mix was better than anticipated.

FORBES: Move up http://i.forbesimg.com t Move down

The stronger store sales were offset by higher commodity prices and legal costs.

FORBES: Chipotle Shares Stumble, Food Costs Cause Earnings Miss