图片摄于澳洲阿尔卑斯山国家公园 Photo: Mt. Speculation, Alpine National Park (Taken By Yushan) 澳洲户外徒步常识第一条：手机信号不是到哪都有的 Bushwalking Common Sense No 1. Phone Reception is Not Always Available 澳洲户外，特别是离开市区，到偏远的地方，包括国家公园， 手机没有信号 的。 In Australia outdoors, including in national parks, mobile phone reception is not reliable. 潜在风险 Risk 如果你走丢了，受伤了，需要援助，你很有可能无法联系到外界 : If you got injured or got lost, you might not be able to contact the outside world. 你很有可能被困在野外 : You are very likely to stuck in