英语翻译：
aim; decree; purport; purpose; tasty
例句：
- 我发现要了解他的演讲主旨是很困难的。
I find it difficult to understand the purport of his speech.
- 研讨会旨在改革旧的封闭式的评价制度，从而建立新的教育评价体系。
The purpose of this seminar is to reform the old closed system so as to establish the new system of educational assessment.
- 这一政策旨在维护和平。
The aim of the policy is the preservation of peace.