The music world and the world at larege became poorer places on april 8 , when marian anderson , the great atto from philadelphia , died at 96 今年4月8日，来自费成的伟大的女低音歌唱家玛丽安。安德森以九十六随高龄逝世，世界各地，尤其是音乐界人士无不为之黯然神伤。
2.
Atto is produced from steamed soybean and natto bacteria by koji . it is a traditional food in japan for more than two thousand years . nattokinase is a small molecular fibrinolytic protease which is produced during natto fermentation 纳豆是由蒸煮后大豆种入纳豆菌，经固体发酵而制得，是日本民间的传统保健食品，已有二千年历史。
