effective

Definitions

effect (result) + -ive (tending to) = 'tending to produce a result.' Something effective actually gets the result done — it succeeds in 'doing out' what it was meant to.

Common Collocations

• 1.highly effective非常有效
• 2.cost-effective划算的；性价比高的
• 3.effective method有效方法
• 4.prove effective证明有效
• 5.effective immediately立即生效

Example Sentences

• 1.

  Exercise is an effective way to reduce stress.

• 2.

  The new rules are effective from next month.

• 3.

  She gave a clear and effective presentation.

Easily Confused

effective vs. efficient: effective = it works, it gets the result; efficient = it works without wasting time or resources. A heater can be effective (warms the room) but not efficient (wastes power).