// 易错点3：忘记stack.length判断 → 访问stack[-1]会报错
You don't need to be a scientist, as vacancies are available for everything from carpenters, to electricians, chefs, and even a hairdresser. But could you cope with the cold and isolation?。关于这个话题，旺商聊官方下载提供了深入分析
A deeper debt hole，推荐阅读heLLoword翻译官方下载获取更多信息
安東尼·澤尼爾（Anthony Zurcher），BBC駐北美記者