The problem may not arise , but there ' s no harm in keeping our powder dry 问题不一定会发生,但有备无患并无害处
She prepare for all possibility by take a sunhat , a raincoat and a woolly scarf 她带了太阳帽、雨衣和毛围巾，一切有备无患。
She prepared for all possibilities by taking a sunhat , a raincoat and a woolly scarf 她带了太阳帽、雨衣和毛围巾,一切有备无患
She prepared for all possibilities by taking a sunhat , a raincoat and a woolly scarf 她带了太阳帽、雨衣和毛围巾,一切有备无患
Some of the farmers had been provident in the good years but others were ruined by the bad harvests 有些农民在丰年节衣缩食有备无患,但也有些农民由於歉收而陷入绝境
Some use them to keep a close watch on the demand for their line of work or gather information on compensation to arm themselves when negotiating for a raise 参考译文：有的人用它来密切关注自己从事的行业的需求情况，或者搜集薪酬待遇方面的信息以便要求涨工资时有备无患。
Before staring on a sea voyage , prudent navigators learn the sea charts , study the sailing directions , and memorize lighthouse * * * s to prepare themselves for any conditions they might encounter 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
Before staring on a sea voyage , prudent navigators learn the sea charts , study the sailing directions , and memorize lighthouse places to prepare themselves for any conditions they might encounter 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
Before staring on a sea voyage , prudent navigators learn the sea charts , study the sailing directions , and memorize lighthouse locations to prepare themselves for any conditions they might encounter 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
Before starting on a sea voyage , prudent navigators learn the sea charts , study the sailing directions , and memorize lighthouse locations to prepare themselves for any conditions they might encounter 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。
