Regular 20190511 %e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e5%8b%95%e5%93%a1 %e6%9c%80%e5%be%8c%e4%b8%80%e5%80%8b%e6%87%b6%e4%ba%ba%e5%8c%85 01

5/14和5/17為什麼要集結？