麻烦高手把这段中文翻译成英文，谢谢

截至2010年12月31日的年度，管理费用中除工资、职工培训、销售佣金以及折旧费外，其他项目按2007年至2009年三年费用占营业额的平均比例进行预测，这是由于2009年以来，根据中国国家统计局提供的有关数据看，CPI消费指数连续七个月实现负增长，目前暂无通胀可能。基于审慎原则，我们认为按照三年的费用占营业额的平均比例进行预测会相对准确。费用增加的原因主要是随着预测的通胀率以及开始销售新产品需要逐步营业额逐步增加而须增加费用

As of December 31, 2010 in the year, administrative expenses, in addition to salaries, employee training, sales commissions, as well as depreciation charges, according to other projects from 2007 to 2009 accounted for three-year cost of the average ratio of turnover to predict, this is because the 2009 Since, according to the information provided by National Bureau of Statistics data shows that, CPI consumer price index to achieve a continuous seven months of negative growth are currently no inflation is likely. Based on the precautionary principle, we believe that the cost of three years, according to the average ratio of total turnover will be relatively accurate forecasts.
The increase was mainly attributable to the projected inflation rate as well as