There's solid evidence that there are huge differences in the effectiveness of teachers.

有确凿的证据表明，教师的工作效率存在巨大差异。

youdao

He examines different approaches to leadership, the morality of leadership and how the wider context can determine the effectiveness of a particular leader.

他研究了领导的不同方法，领导的品行，以及更广泛的背景是如何决定了某一个领导者的效力。

youdao

It is not my intention to point out the central theme of each of the plays in this collection, for that would, indeed, ruin the pleasure of reading, discussing, and thinking about the plays and the effectiveness of the playwright.

我并不想直接点破这本集子里每部戏剧的中心思想，因为那样确实会破坏阅读、讨论和思考戏剧的乐趣以及剧作家的创作效果。

youdao

During the next twelve months the team will study the effectiveness of these materials in home building.

VOA: special.2009.10.05

Reddy said he wanted to make surprise inspections to check the effectiveness of such policies as drought alleviation and unemployment.

VOA: standard.2009.09.03

The former French finance minister said a recovery depends on the effectiveness of policies implemented in the main economies.

VOA: standard.2009.04.16

The Convention helps to ensure the effectiveness of the World Anti-Doping Code (the Code).

UNESCO: UK National Commission for UNESCO - UNESCO Conventions, Recommendations & Declarations in the UK

Better tracking data would be required to maximize the effectiveness of debris removal prizes.

FORBES: Beware Of Space Junk

The researchers also looked at the effectiveness of airport screenings in stopping the spread of the Ebola virus.

CNN: Up to three Ebola-infected travelers might fly each month