銀包追蹤器好像很有意思, 但那個tracker, 只要掉走, 就無蹤跡可尋啦?! 不見得是新發明喎
By miuching (middle-school student) on 2012-11-19 Answers 1 Views 160
By 山丘上的小草 (pupil) on 2012-12-19
就係囖~~~~~~~~~~~~~~~~~
