single out 单独挑出;特别选出
He said it was wrong to single out any section of society for Aids testing
他说把社会中的任何一部分人抽选出来做艾滋病检查都是不对的。
2. The platforms best-placed to survive the shake-out are those with lots of consumer data of their own.
shake-out 重大变革，重组
This should be the year of a big shake-out in Italian banking
本年度意大利银行业将进行大规模重组。
3. Apple knows where iPhone-users go, what time they wake up and much besides. It has a small but growing ad business, selling prominence in its app store, for instance.
for instance 例如;譬如
There are a number of improvements; for instance, both mouse buttons can now be used
在许多地方有了改进，例如，鼠标的左右键都可以使用了。
