按需要

• The contingency plans are kept under constant review and are revised as required
  金管局亦经常检讨应变计划，并按需要作出修改。
• One delete those parts with an asterisk if necessary visit to the hong kong space museum
  一节可按需要略去有部分太空馆参观活动
• Meetings with the task force could be arranged on request and as necessary , he added
  专责小组并可应他们的要求及按需要安排会面。
• Meetings with the task force could be arranged on request and as necessary , he added
  专责小组并可应他们的要求及按需要安排会面。
• Free of charged ( some activities will be charged individually depending on the service provided )
  收费全免(个别活动或按需要收费)
• The service of kmb 73k will be strengthened on 1 , 5 and 8 april 2007 as necessary
  九巴第73k号线将2007年4月1 5及8日按需要加强服务。
• The executive committee shall have the right to from time to time revise the annual membership fee
  执行委员会可按需要修订会员年费。
• Pay close attention to weather forecasts and put on adequate warm clothing as appropriate
  密切留意天气报告，按需要加穿适当御寒衣物；
• Develop and use indicators as needed to describe the results and environmental outcomes
  按需要制订及使用参数，说明成绩以及对环境的影响
• Issue dates are tentative and changes , if necessary , will be announced in due course
  发行日期尚未作实，日后或按需要修订，并另行公布。