每日口說挑戰 【資訊】擔心電腦被入侵？告訴你 5 個防駭教戰守則 (Former NSA Hacker Reveals 5 Ways To Protect Yourself Online)

今日挑戰句子

Number one, use two-factor authentication or two-step verification everywhere that you can.

1. 不管在哪，都要用雙重驗證或兩步驟認證。