New Words：

design [dɪˈzaɪn] v&n .设计
stage [steɪdʒ] 舞台；时期，阶段，状态

Sample Sentences：

The product is at the design stage.
This is one of our most popular designs.
I can't explain how much I love this design, it's my favourite one!

popular [ˈpɒpjələ(r)] adj. 受喜爱的;受欢迎的; 流行的

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