Volunteer work should always benifit people who need help.
志愿者工作要始终造福需要帮助的人们.
没有错.
应该 的意思.
“It can be argued that the advantages of doing unpaid volunteer work are enormous,because volunteer work is actually a two-way street.”
“可以这样说,做志愿者无偿工作的优势是巨大的,因为志愿者工作其实是一个双行道/是互利互惠的."
a two-way street互利互惠