https://youtu.be/nTQ0VXzq_ZQ?si=MyqmrkG6SGeivhwn
從明白匯率影響人的深遠，開始理解到少數怕長計，永遠不與外國人做生意，自然不明白什麼成本浮動 今天，撿到Perfect
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https://youtu.be/uUYxHeLRctY?si=ZJIN9VrEeVAjYaJN
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