Three example sentences of my own composition
～する義務［責任］がある ：have the responsibility of doing(to do)
① The government has the responsibility of safeguarding the nation's health.
② Mass media has the responsibility to provide accurate information.
③ He had the responsibility to supervise all the payments.
～する義務［責任］がある ：have the responsibility of doing(to do)
① The government has the responsibility of safeguarding the nation's health.
② Mass media has the responsibility to provide accurate information.
③ He had the responsibility to supervise all the payments.
