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1.If the answer to these two questions is 'no,' help may be at hand.
at hand在手边，在附近，即将来临；手头
Always have your reference books near at hand.
要经常把参考书摆在手边。
2.Dr Dresler compared MRI scans of the brains of 23 of the world's top 50 memory champions with the brains of "normal" people.
compare with（把…）与…相比；比得上，可与…相比；比较
How does your new house compare with your old one?
你的新房子和你的旧房子比起来怎样?
