✔ 最佳答案
japan has been a prosperous country since the end of WWII. As Japanese were humiliated after their defeat in the war, they were then determined to do various reforms in order to rebuild their country. as a result, Japan is now a strong country in both economy and technology.
for china, it is just a developing country. after the qing dynasty, china eventually started her industrialization and it is much for china to catch up with Japan.