He often exercises on weekends.
他经常在周末锻炼。
But in men the difference was of no significance, and this might he due to the better environment and often physical exercises they had.
而男性老年人则无显著差异，可能与男性所处的环境条件较好和经常进行体育锻炼有关。
Besides having only a little food, he keeps doing exercises every day. He swims very often and runs every day. Some time later, he becomes stronger.
除了少吃，他坚持每天做运动。他经常游泳，每天跑步。一段时间后，他变得强壮了。
He often steps into construction site, and exercises full process control for projects the company undertakes, with emphasis on priority, thus resolving much technical problems.
经常深入工地现场，对公司所承担的工程实行全过程、有重点的控制，解决了许多施工技术难题。
He often steps into construction site, and exercises full process control for projects the company undertakes, with emphasis on priority, thus resolving much technical problems.
经常深入工地现场，对公司所承担的工程实行全过程、有重点的控制，解决了许多施工技术难题。
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