終身學習
https://video.xx.fbcdn.net/v/t42.1790-2/36308483_208806766419568_2769549363779731456_n.mp4?_nc_cat=0&vs=d4d81778e7643605&_nc_vs=HBkcFQAYJEdBTUdLZ0p3bmlPZDZMMEFBQUFBQUFCNWFtOG1idjRHQUFBRhUAAEsAFQAAGAEwFprs0rfiiZoGFQIZBRgCQzMYC3Z0c19wcmV2aWV3HBdALe8an752yRggZGFzaF92NF9wYXNzdGhyb3VnaF9mcmFnXzJfdmlkZW8AGBh2aWRlb3MudnRzLmNhbGxiYWNrLnByb2QZHBUAFbyZAgAA&efg=eyJ2ZW5jb2RlX3RhZyI6Im9lcF9oZCJ9&oh=b0c1f64dcec0f68a7eaf960d973a89c0&oe=5B362FF2&_nc_rid=53e341c92309197
芬蘭的防松鼠裝置
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