Mga halimbawa ng salawikain at sawikain

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available

When and why were fingerprints first used in the united states

When zhang qin went to explore west, he brought back stories of