The modern moving walkway is not a transport system in its own right, more a minor supplement to other forms of transit.

现代的移动人行道自身并不是一个运输系统，最多是一个对现有运输形式的补充。

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Minor IDD and supplement of iodine didn't have a remarkable influence on the growth and development of children, which was probably concerned with malnutrition.

轻度碘缺乏病及补碘未能明显影响儿童的生长发育，可能与儿童总营养水平较差有关。

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