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Having lived in the United States and Korea, I realized one big thing immediately.
In Korea, I have to do a lot of walking. When I went to school or to work, I had to leave my house, walk to the bus stop or the subway which takes about 10-15 minutes, get off at my destination, and walk the rest of the way, which is another 15 minutes. Total time walking is about 25 minutes. This translates to 50 minutes a day round trip, and about 3-4 kilometers everyday. I didn't even know it, but I was exercising.
In America, everyone has a car. While going to work here, I literally walk about 7 minutes a day. That's a total distance of 300 meters. The reason is because I only have to walk to my car. I drive to work, and then I walk from the parking lot to my office. So, I realized I was gaining weight without having changed anything except the walking I wasn't doing.
I suppose that is why in America there is a big hype about exercising and losing weight. If you don't want to, you don't have to walk anywhere or exercise at all. In Korea, walking is part of the daily routine. So although you don't need to know this lesson as much as other lessons, it will still help when talking to foreigners about this subject. Let's continue with the lesson by doing the practice.
In the next exercise lesson, we will learn about speaking English in relation to working out in the gym