C1 为帮助…，为救援…
in order to collect money for a group of people who need it
a concert in aid of famine relief 为救助饥民举办的音乐会
She brought a bag of toys for the annual sale in aid of St Andrew's Church.
The event was to raise money in aid of terrorist victims.
He promised to attend a garden show in aid of wounded war veterans.
Grace donated a painting to an exhibition in aid of the Medical Foundation.
See also: aid noun