精益求精 constantly improve sth;hone (learning,skills,works,products,etc.) to excellence
服務社會 serve the society
以人為本 regard people as a basic
參考資料：
精益求精 constantly improve sth;hone (learning,skills,works,products,etc.) to excellence
服務社會 serve the society
以人為本 regard people as a basic
參考資料：