YSK, you don't have to shake or wave around instant film, i.e. Polaroid, Fuji Instax. It's a chemical reaction that only requires time.
from /r/YouShouldKnow
YSK，你不需要摇晃或挥舞即时胶片，即宝丽来，富士Instax。这是一个化学反应，只需要时间。
YSK，你不需要摇晃或挥舞即时胶片，即宝丽来，富士Instax。这是一个化学反应，只需要时间。
YSK, you don't have to shake or wave around instant film, i.e. Polaroid, Fuji Instax. It's a chemical reaction that only requires time.
from /r/YouShouldKnow