因此由学校组织的有效的强制性课程是解决这一严重问题的唯一方案。
Therefore an effective and mandatory program sponsored by the high school is the only solution to this serious problem.
也就是说，它对组织中所有的角色不是强制性的，虽然所有的角色都使用这个方法是理想的状况。
That is, it's not imperative that all roles in an organization get involved for the method to have benefit, although that's the ideal case.
泰尔说，如果调停失败，那么东盟能够对这些国家施加经济制裁，但是该组织过去从未在成员国身上施加强制性措施。
If mediation fails, Thayer says ASEAN can impose economic sanctions but it has never in the past taken coercive measures on one of its members.
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