事实上，看似过时的技术，如语音和文字短信，可以成为对预期用户极为有用的工具，远比最新APP或（比如）纳米技术的尖端创新更有用。
In fact, seemingly outdated technologies like voice and text messages can be far more useful tools for the intended users than the latest apps or cutting-edge innovations in, say, nanotechnology.