If someone like yourself volunteers, they receive a free round trip ticket to be used within one year.
If someone like yourself volunteers, they receive a free round trip ticket to be used within one year.
自愿的人可以得到一张一年内有效的免费往返票。
If someone like yourself volunteers, they receive a free round trip ticket to be used within one year.
自愿的人可以得到一张一年内有效的免费往返票。