1.pose to 造成 (問題或危險)
This could pose a threat to jobs in the coal industry.
這可能對煤炭行業(yè)的就業(yè)造成威脅 。
2.by contrast 相比之下
The private sector, by contrast, has plenty of money to spend.
私營部門相比之下有很多錢可花 。
3.take effect 實(shí)施; 生效
The ban on new logging permits will take effect in July.
新伐木許可證禁止令將于7月生效 。
4.turn back 往回走
She turned back toward home.
她折了回來往家走去 。