Compared with other types of leisure-time physical activity, like formal exercise, which usually requires motivation and sometimes professional instruction, shopping is easier to.

其他的休闲体育活动，如正规的锻炼通常需要动力才能坚持，有时还需要专业指导，相比之下，逛街则更容易进行，也更容易坚持下去。

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Different types of learning require different instruction, and different task analysis method as well.

不同的学习类型需要不同形式的教学，也就需要不同任务分析方法。

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For all of these advanced types of climbing proper instruction is fundamental.

对于以上这些类型的攀爬，正确的指引是必须的。

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