第217页

信息发布者：
Douglas Engelbart.
By changing the wheels into a rolling ball.
The ball became dirty easily.
Because it was too expensive.
Yes. Because of the new technology.
       I think labour education is very important for our growth. It teaches us practical life
skills and helps us understand the value of hard work.
      We can do all kinds of labour in our daily life. At school, we can take turns to clean
classrooms to keep our learning areas tidy. At home, we can help with housework like
washing dishes and sweeping the floor. On weekends, we can volunteer to clean our
local parks and plant trees. Through these activities, we can learn how to work with
others and solve problems by ourselves. More importantly, labour shows us that hard
work brings true achievement and happiness.
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