“on invitation”造句，怎么用on invitation造句

He will also pay official visits to the Republic of the Congo, Angola, South Africa, Tanzania and Uganda upon invitation.

He indicated that he was delighted to attend upon invitation the Summit of China-Africa Forum to be held in Beijing next year.

Chinese military delegations at various levels have made successful military visits on invitation to many countries in Northeast, Southeast, South and Central Asia regions.

Send special persons to professional markets across China to post the exhibition invitation.

In November 2000, Mary Robinson visited China again on invitation.

The presidents of Turkmenistan and Afghanistan attended the SCO summits several times upon invitation, which bespeaks SCO's appeal to different types of countries in this region.

Foreign Minister Wang Yi will attend the meeting upon invitation.