We have investigated a range of different camera models to see which is the best value for money.
我们已经研究了很多种不同型号的相机,看哪一种性价比最高。
We now have five different models to choose from.
我们现在有五种不同的型号供你选择。
The services have been assigned different types of usage models for demonstration purposes, as we discussed earlier.
正如我们先前讨论过的那样,服务根据不同的演示目的被分配了不同类型的使用模型。
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