These were essentially professional associations that provided for the mutual aid and protection of their members, and allowed for the maintenance of professional standards.
这些基本上是为成员提供互助和保护，并允许维持专业标准的专业协会。
These were essentially professional associations that provided for the mutual aid and protection of their members, and allowed for the maintenance of professional standards.
这些基本上是为成员提供互助和保护，并允许维持专业标准的专业协会。
应用推荐