Complex sentence: The "Kunrei-shiki" system has a better correspondence with kana, making it easier for the Japanese themselves to learn; it is officially sanctioned by the Ministry of Education, and often used by non-native speakers who are learning Japanese as a second language.
Split into simpler sentences: The "Kunrei-shiki" system has a better correspondence with kana, which makes it easier for native speakers to learn. It is officially sanctioned by the Ministry of Education and often used by non-native speakers who are learning Japanese as a second language.