And by the time you all reach your billionth second here on earth when you're a little over six months into your 31st year 你们也会等到十亿位变动的那一刻到时你们大约是31岁半过一点 We will probably be over 9 billion and perh
Learners are telling us that they go to bed at night dreaming of the green check mark. 学习者告诉我们，他们晚上上床睡觉都做着绿色对号的梦。 In fact, one of our learners who took the circuits course early last year, 事实上，有一名学习者去
so that more young people are part of creating a better future in their home societies. 这样更多的年轻人才能在他们的社会中创造更好的未来。 From Saudi Arabia, I traveled to Jerusalem, where I reaffirmed the unbreakable bond be
