收效

• No one knows how effective these steps will be in fighting inflation
  但是，这些措施于抑制通胀而言收效几何，目前还不好说。
• George bush attempted a tentative reform last year , but got nowhere
  布什总统去年曾经提出一个实验性的改革计划但是收效甚微。
• But it doesn ? t work
  但并无收效。
• But it doesn ' t work
  但并无收效。
• Market segmentation brings us to the third factor that boosts advertising effectiveness
  市场划分是提高广告收效的第三个因素。
• Many people spend years searching for peace of mind , often with little success
  许多人多年追求平静超脱的心境，但往往收效甚微。
• The world of investing is fascinating and complex , and it can be very fruitful
  世界投资是迷人和复杂的，并且可以是非常有收效的。
• Application of pesticides has an immediate effect but kills other insects as well
  使用除害剂虽可即时收效，但同时会杀灭其他昆虫。
• Application of pesticides has an immediate effect but kills other insects as well
  使用除害剂虽可即时收效，但同时会杀灭其他昆虫。