I hope to hear from you soon. Yours sincerely, Chris Smith, pp Rebecca Collings.望你尽快回信。你真诚的克里斯•史密斯，丽贝卡•科林斯代签。Collings had an idea for a device that would block out TV programs that parents didn't want their children to watch.科林斯想出了一个主意，要设计一种装置，禁止播放父母不想给孩子看的电视节目。