只要於 1/2 至 28/2期間每完成3個2月份的練習就可以得到一個重要線索!訂閱我們的Youtube Channel,並把我們隱藏在不同影片裡的通關密碼尋找出來,就可以得到3個重要線索!
You will be given a clue every time you finish 3 exercises in February from 1/2 to 28/2, please also subscribe to our YouTube channel and find the hidden passwords in our videos!