Megosztott hang

Recycling is important, especially in a country like South Korea, which lacks natural resources. I learned about the importance of recycling so much in school that it almost became boring. But the recycling practice changed over the years? I think it hasn't changed a lot. Recycling practices are still the same as before. Maybe the only thing that has changed is my eagerness for it. I guess I've been doing it a bit more roughly than when I was a kid. I know, it sounds like a lame excuse,