Korean main food is rice. But thesedays, demand for rices shrunk drastically. Because Korean menu is changed and there are some substitute food for rice.
First, people eat instant food instead of rice. Thesedays many Korean women have their job, so they are really busy not only in their office but also at home. Before they concentrated on houseworks. But after they have jobs, they can’t work well at home. So they buy instant food a lot. Because it’s so convinient.
Second, people like Western food instead of rice. Especially children like western food, such as pizza, hambuger, spaghetti. They have strong spices, smell, and so sweet. So children like Western food instead of Korean food.
Your writing is not really bad. But I hope to ask some questions to you. I wonder if rice cannot be counted. Don’t you think? [ But thesedays, demand for rices shrunk drastically.] And, I don’t understand your sentence, [Before they concentrated on houseworks]. What does that mean?