YOU SAID:

Many speakers focused their remarks on the theme of this session

INTO JAPANESE

多くのスピーカーがこのセッションのテーマに彼らの発言を集中させました

BACK INTO ENGLISH

Many speakers concentrated their remarks on the theme of this session

INTO JAPANESE

多くのスピーカーがこのセッションのテーマに彼らの発言を集中させました

BACK INTO ENGLISH

Many speakers concentrated their remarks on the theme of this session