Advocate "opportunism"
When it comes to opportunism, everyone frowns and people even scoff at opportunists. But I believe that opportunism is the expression of "wisdom, innovation and progress" and should be advocated in the new era.
The last paragraph: If everyone in China uses their brains to come up with "smart methods" and create opportunities on the basis of earnestly doing their jobs,/kloc-0.3 billion people will have/kloc-0.3 billion "smart" and "opportunities", and China's take-off is just around the corner.
Example: The Wright brothers made the plane, but Luban was unwilling to chop wood with his strength, and invented the chainsaw and Edison. ...
500 words is very easy to fill, come on!