无偿工作包括照顾孩子和做家务。
当咖啡价格突然飙升时，人们在田里拼命工作，很少花时间做家务，包括对孩子们有益的事情。
“When coffee prices suddenly rise, people work harder on their coffee plots and spend less time doing things around the home, including things that are good for their children, ” he said.
大量研究证实体育活动可使人受益匪浅，甚至包括做家务活和园艺劳动。为什么？因为这能发动心脏，驱动血液在全身运行。
Study after study has shown the benefits of physical activity, even active housework or gardening. The reason? It pumps your heart, moving blood all around the body.
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