But over time, I have seen my son suffer no apparent ill effects (except a sore thumb now and then), and he reaps a big benefit, of easy, continuing contact with many friends.

• 但随着时间的推移，我没发现我儿子遭受了明显的不利影响(除了拇指偶尔发酸)，但他也享受到了与很多朋友保持持续轻松联络的极大便利。