Use your brain every day. For example, you can do the crossword puzzle or read a new book. Have a rest for about twenty minutes when you are tired. You may do something different to have a break.4Stretch(伸展)for five minutes after sitting for one or two hours. Stretching your arms...
a visiting Israeli scholar was asked to respond to the question “Is Zionism racism?” She dismissed the question out of hand. Then the room of 35 people went airless as the discussion