Therefore, we use ARIMA time series analysis model to predict CSI 300 Index, which is a useful reference for the company and investors when making related decisions.

因此，我们用时间序列分析中的ARIMA模型来对沪深300指数建立模型，希望为企业和投资者在进行相关决策时提供有益的参考。

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It is the difference between being what Mr. Griffith called a "business model company" and a plain old money-making enterprise.

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Companies like Yammer and Socialcast have taken this category of social computing tools to new levels with Software-as-a-service (SaaS) and cloud computing, making it simple for any company of any size to deploy a similar model almost instantly for their own employees.

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No other company came close to making a car as cheaply as Ford made its Model T.

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