yushien.168 wrote:Are you really misunderstood or you enjoy challenging ? 似乎樓主英文比較好,下次發言用全英文敘述可能會比較讓人了解吧!一圈約2分15差距約30秒這30秒代表的是快1/4圈耶~應該已經看不見車尾燈嚕^^