be of great importance

基本解释

The meeting to be held next week will be of great importance.。
下周将要举行的会议极为重要。
edu.sina.com.cn
This will be Prime Minister Cameron's first visit to China since he took office this May and will be of great importance to the long-term development of China-UK relations.
卡梅伦首相即将对中国进行的访问是他今年5月就任以来首次访华，对中英关系的长远发展具有重要意义。
www.fmprc.gov.cn
The upcoming Seventh China-EU Summit will be of great importance. As the first meeting after the European Union elected new leadership, it serves as a link between the past and the future.
即将举行的第七次中欧领导人会晤也将是一次非常重要的会晤，此次会晤将是欧盟领导人换届之后举行的首次会晤，因此具有承上启下的作用。
www.fmprc.gov.cn

Senator Beveridge said the Pacific would be of great importance in coming years.
I have to tell you that Levi-Strauss, who is still alive, a very old man, expresses great bitterness in his old age about what he takes to be the displacement of the importance of his own work by what happened subsequently.
现在列维仍然在世，年事已高，晚年他表达了,自己对作品的重要性,后来被取代的痛苦。
耶鲁公开课 - 文学理论导论课程节选

Great importance must be given to the promotion and protection of the human rights of persons belonging to groups which have been rendered vulnerable, including migrant workers, the elimination of all forms of discrimination against them, and the strengthening and more effective implementation of existing human rights instruments.
UNESCO: Vienna Declaration and Programme of Action
As a strong American supporter of Israel, I believe it is of great importance to the emerging strategic relationship between our two countries that the 1987 agreement be honoured, and that Israel in this way add to the other important contributions it is making to the preservation and expansion of freedom.
CENTERFORSECURITYPOLICY: Our Contribution To Glasnost