come around周而复始; 重新来到
例句：Late duty for each member of the staff comes around every ten days.
工作人员值晚班每十天轮流一次。
2. We’ve had about 10,000 people sign up.
sign up跟…签订合同
例句：They manage to sign up all the best performers.
他们设法跟所有最佳演员签订合同。
3. But it turns out, her small town in Ohio is home to at least two people born on Leap Day.
turn out结果是, 原来是
例句：He said he was a doctor; but later he turned out to be a cheat.
他自称是个医生, 结果证明他是个骗子。
4. And Alberta Stojkovic says that being 16, instead of 64, has its advantages.
instead of (用…)代替…, (是…)而不是…, (用…)而不用…
例句：He has been playing all afternoon instead of getting on with his work.
他整个下午一直在玩, 没有继续工作。
