A recent survey showed that 47% of Chinese people said they only put the remaining cash at the end of the month into savings. Almost a third said they did not save at all. Chinese household savings rates will gradually decrease in the future due to population Factors (the aging of the generation before the only child), increased affluence, and improvements in the financial industry (such as the introduction of more insurance products). The savings rate for urban households is currently lower than the national average for chickenpox. What does the text mainly show? ['The concept of "thin budgeting" is diluting.', 'The Chinese "smashed" the piggy bank.', 'Lean budget and postponed consumption models are outdated.', "People's financial management concepts and models change."]