(noun.) the activity of contributing to the fulfillment of a need or furtherance of an effort or purpose; 'he gave me an assist with the housework'; 'could not walk without assistance'; 'rescue party went to their aid'; 'offered his help in unloading'.
(noun.) a resource; 'visual aids in teaching'.
(noun.) money to support a worthy person or cause.
校对:路易斯
录入:勒达