Having your bag, taking your eyes as the photograph, using your heart to experience the culture of travelling.
背上背包，用眼睛作相机，用心体验旅游的文化。
Where is your pen? I remember having put it in my bag.
你的钢笔呢？我记得放进书包里了。
Instead of having to reach into the middle of a bag, you simply lift the frame and make your corrections.
不用伸入真空袋中间位置，只需简单抬起框架进行校正。
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