The design process must start with a concept design, which will be the guidance to work with the light.

设计必须从设计概念开始，因为它将是后面工作的总指挥。

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The design process must start with a concept design, which will be the guidance to work with the light.

设计必须从设计概念开始，因为它将是后面工作的总指挥。

youdao