易混淆的单词： Optima

The statement from mars didn 't say whether its optima brand is sold in china , and a spokesman didn 't immediately answer a request for more information .

mars公司该声明中没有说明optima牌子是否有在中国销售，发言人也没有及时的进一步做出答复。

Staff at a local pet shop and clinic , the shanghai naughty family pet co. , said they had seen about 10 dogs fall sick after eating optima dog food .

当地的宠物商店和诊所上海naughtyfamilypetco的员工说，他们已经看见大约10条狗吃完optima狗粮后病倒。

The paper focuses on institution efficiency to analyze the regionalism structure and influence factors , and then it constructs the theoretic optima choice model for regionalism .

从制度效率的角度，通过分析影响行政区划结构及影响因素，构建了行政区划最优选择的理论模型。