列印发言 对于所有商品，Print Speak基本销售税适用10％的税率，但免税的书籍，食品和医疗产品除外 入门 从您的外壳运行这些命令 gitgithub.com:klueless-io/print_speak.git cd print_speak bundle install # run tests and linting from guard watcher guard # run test directly from rspec rspec # run linting directly