这些迹象可能由多种因素造成，包括吸烟、吃油腻的加工食品、新鲜空气不足等等。

They could be triggered by a host of factors including smoking, eating fatty, processed foods and not getting enough fresh air.

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再加上希望增加工时和已经放弃找工作的人，全国所谓就业不足的比例就达15.9%。

Factoring in those wishing to work more hours and those who have given up looking for work - the so-called underemployment rate is 15.9 percent.

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报告指出，中国有350000粮食生产者和加工者，但是监管部门去不足10名雇员，对粮食生产者加工者的监督是最大的挑战。

It pointed out that China had 350,000 food producers or processors with fewer than 10 employees, and oversight of them was the greatest challenge. Among the U.N. 's recommendations.

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