While volunteers and staff still face many challenges in reaching the campaign goal, the urgency of eradicating the poliovirus serves as a powerful motivating force for all of us.

• 虽然这项运动要达成目标，义工及办事员仍面临许多挑选，可是根除小儿痲痹病毒的迫切性，却是激励我们所有人前进的最大动力。