数量少但内容精确的展示往往比数量多的展示更给人留下深刻的印象，并且不会对观众造成困扰。
Fewer visual AIDS that are meaningful leave a stronger impression than using a lot of visual AIDS that might also confuse listeners.
数量少但内容精确的展示往往比数量多的展示更给人留下深刻的印象，并且不会对观众造成困扰。
Fewer visual AIDS that are meaningful leave a stronger impression than using a lot of visual AIDS that might also confuse listeners.
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