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 小心注意危险和风险和危险性的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种怀疑也许能够涌现的状况做到有备无患。
Doing well the preparation work of emergency rescue duty , preparation work of medical aid under the special situation of wartime or temporary natural disaster and so on in order to keep the disaster away with full preparation 做好应急抢救任务的准备工作，为战时或临时自然灾害等特殊情况下做好医疗救护的准备工作，做到有备无患。
Although there is only a very tiny chance of y2k - related problems occurring at east rail , in order to ensure our passengers enjoy a reliable and safe journey , kcrc has been proactively tackling the millennium bug since 1997 . a special y2k team was established to monitor the situation and take contingency measures when required 尽管东铁服务因千年虫问题而受影响的机会微乎其微，九广东铁为确保乘客在二千年过渡时都享有一个可靠、舒适的东铁服务，早已进行了一系列的防虫措施，并且成立了一队监察队伍，确保所有系统正常运作及制定适当的应变措施，有备无患。
