Idle such as vinegar, can soften the spirit of calcium; hard like a torch to ignite the flame of wisdom.

闲散如酸醋，会软化精神的钙质；勤奋像火炬，能燃起智慧的火焰。

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Idle such as vinegar, can soften the spirit of calcium; hard like a torch to ignite the flame of wisdom.

闲散如酸醋，会软化精神的钙质；勤奋像火炬，能燃起智慧的火焰。

youdao