Cost of living in Manaus (Brazil) is about the same as in Zhenjiang (China)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 565 prices entered by 34 different people.
For example, to keep the same standard of living that would require 元9,600 in Zhenjiang you would need to make just about 元9,548 (R$ 5,595) in Manaus.