Color evokes feelings. Color is emotional. The right color can help persuade and motivate. Studies show that color usage can increase interest and improve learning comprehension and retention.

色彩可以唤起人们的感情。色彩是充满感性的。正确使用色彩可以增加说服力和激发力。研究表明，使用色彩可以提高人们的学习兴趣，增强理解和记忆。

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I gave up trying to persuade him to continue with his studies.

我放弃劝他继续求学的努力。

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Such assertions are unlikely to persuade a well-informed skeptic of open borders, although the studies seem sound.

WSJ: Book Review: Borderless Economics