1·All these techniques are equally effective.
所有这些方法都同等有效。
—— 《柯林斯英汉双解大词典》
2·The world desperately needs an effective WTO.
世界急切需要一个有效的世贸组织。
—— 《柯林斯英汉双解大词典》
3·Humour is a more effective defence than violence.
幽默是比暴力更有效的防御武器。
—— 《牛津词典》
4·Television is an effective means of communication.
电视是一种有效的通信手段。
—— 《牛津词典》
5·It has been demonstrated that this drug is effective.
这药已证实是有效的。
—— 《牛津词典》