Language Point 43
Physical fitness and healthy lifestyles have changed from fashion and hobby for a few to official policy for many businesses and governments. (Para. 33)
Meaning: In the past physical fitness and healthy lifestyles meant fashion and hobby to a few people, but now to many businesses and governments they have become principles for making official decisions.
change from: change (something or someone) from (a state) to another
The beggar was changed from a prince.
这乞丐原来是个王子。
Cf. change into: cause (something or someone)to become (something or someone else) 变成
The prince was changed into a beggar.
王子变成了乞丐。
policy: n. a set of ideas or principles that is used as a foundation for making decisions 政策
One of the new government's policies is to control public spending.
新政府的政策之一是控制公益开支。