You have to know that the Japanese economy in the 1990s was not doing well. The decade after the Plaza Accord in the 1990s was even called the "Lost Decade".,And the reason Tang Ze strived hard was also because of this economic downturn.,That is to say, as long as you don't spend extravagantly, by the age of thirty, a police officer's savings should be at least 1.5 million if not 20 million.。