其次，David 應該要採用更加科學的預測方法和設定目標，而不是毫無根

其次，David 應該要採用更加科學的預測方法和設定目標，而不是毫無根據地粗略估計，令到預測不準確，如使用更科學的方式預測，可以減少預測銷售與實際銷售之間的差異。同時David 要詳細記錄2019年的銷售紀錄，而方便在下年店預測時有數字作參考，帶來更準確的的預測。首先，David 要留意商業環境的變化所帶來的影響，考慮當前的情況從而製定應對方案，例如是在David 的餐廳附近開了一間而意大利麵聞名的餐廳，導致David 的餐廳的意大利菜式銷售下降，所以David 應該使用一些方法，例如是透過促銷去提升該菜式的銷量.

結果 (英文) 1:

Secondly, David supposed to adopt a more scientific forecasting methods and setting goals, rather than unfounded rough estimate, so the forecast is not accurate, such as the use of more scientific way to predict, the difference between forecast sales and actual sales can be reduced. Digital reference, lead to more accurate predictions At the same time David make a detailed record sales records in 2019, and convenience stores in the next forecast.

First of all, David pay attention to the impact of changes in the business environment brought about, considering the current situation in order to develop response plans, such as in the vicinity of the restaurant David opened a well-known and pasta restaurant, leading to David's Restaurant Italian cuisine sales decline, so David should use some method, for example, through promotions to boost sales of the dishes.

結果 (英文) 2:

"Second, David should adopt more scientific forecasting methods and set goals, rather than making baseless rough estimates that make predictions inaccurate, such as using more scientific means of forecasting, reduce the difference between forecasted sales and actual sales." At the same time, David has to keep a detailed record of sales in 2019, and it is convenient to have figures for next year's store forecasts as a reference to lead to more accurate forecasts.

First, David should be aware of the impact of changes in the business environment and consider the current situation to develop a response, such as opening a spaghetti restaurant near David's restaurant, resulting in a decline in sales of Italian dishes at David's restaurant, so David should use some methods. For example, through promotion to increase the sales of this dish.

結果 (英文) 3:

Secondly, David should adopt a more scientific prediction method and set goals, rather than rough estimation without foundation, so that the prediction is not accurate. For example, using a more scientific way to predict can reduce the difference between predicted sales and actual sales. At the same time, David needs to record the sales record in 2019 in detail, so as to facilitate the store forecast in the next year with figures as reference, and bring more accurate forecast.
First of all, David should pay attention to the impact of the changes in the business environment, and consider the current situation to develop a response plan. For example, David opened a restaurant near his restaurant, which is famous for spaghetti, which led to the decline of Italian food sales in David's restaurant. Therefore, David should use some methods, such as promotion to improve the sales of the dish