The doctor advises us to exercise less on hazy days because it may influence our health.
医生建议我们在雾霾天少运动,因为这可能会影响我们的健康。
Other studies have suggested a link with bowel cancer and gastric problems - possibly because night workers tend not to eat so healthily and to exercise less.
还有一些研究表明夜班与胃癌和肠癌也有关系——可能因为夜班工人吃得比较不健康而且锻炼的也不够造成的。
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