will bear (/have/keep/inscribe) in memory forever; will remember forever; will always bear in mind; will always cherish the memory of sb or sth; never forget
? 中國人民對于貴國人民偉大的國際主義支援，將～。The Chinese people will never forget the great internationalist support given by the people of your country.
永志不忘
will forever bear in mind;will always cherish the memory of sb or sth
永志不忘yǒnɡ zhì bù wànɡ
永遠記住，不會忘記。will always bear in mind, will always cherish the memory of sb. or sth., treasure up in one’s memory