As a visual aid for his essay.
为他的论文提供视觉帮助。
Your slide show is just a visual aid.
你做的幻灯片只是观众视觉上的辅助。
Great slides serve as a visual aid that reinforces the speaker's message.
出色的幻灯片为演说者提供视觉辅助，增强信息传递的效果。
Each dotted border represents a separate visual aid.
每个虚线边框都代表一个单独的视觉帮助。
Design can also aid in selling a product or idea through effective visual communication.
设计还可以援助在销售产品或思想，通过有效的视觉沟通。
Design can also aid in selling a product or idea through effective visual communication.
设计还可以援助在销售产品或思想，通过有效的视觉沟通。
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