ӽϰ , 㸮 ⳪?
ӽϰ , ϸ 50% ӻΰ Ѵٰ ǰ ֽϴ. ̵ 20% ȣϱ Ѵϴ. ӽ ϴ Ͽ Ȯϰ ˷ , ӽſ к ȭ ô δ ̿ϼ Ǵ ȯ ȭ, ߺ ȭ ǰ ֽϴ. ѹ濡 Ϸ Ǵ°ɷ ϴ. ӽ ȯڴ ġ Ǹ ϰ ӻ ϴ ߿մϴ. ӽ ü Ͽ ̿ ȯ ϴ ͵ ߿ϹǷ, ǻ Ȯ ʿ ֽϴ.