establishment and perfection

• 建立和完善

establishment and perfection的用法和样例：

例句

1. Various facilities for grassroots sports shall be established and improved on an ongoing basis.
   不断建立和完善各类群众健身体育场地。
2. Feudal autocracy and centralism were established and reached perfection in this period.
   封建专制和中央集权制在此时期得到了建立和完善，并一直为后世封建帝王所效法。