呢句口號好簡單 但就好有創意同說服力 嗰次之後 ， 我哋又發起另一個運動 我哋喺地下堆砌一啲字母出嚟
The slogan was simple, but it was creative and convincing, and after that time, we launched another campaign, and we piled up a little letter on the ground