is about his experiences as a child soldier in Sudan, how he changed and how he wants to make a difference.

VOA: special.2009.10.14

but once I could see that ethics and political philosophy really could make a difference to the way we live our lives.

但是当我看到，伦理学和政治哲学,的确可以改变我们的生活方式时。

普林斯顿公开课 - 人性课程节选

What will make a difference to our levels of wellbeing is if we have right vs. wrong expectations.

能影响幸福水平的,是我们的期望是正确还是错误。

哈佛公开课 - 幸福课课程节选

The current phase of construction will create new private sector jobs -- and that won't just make a difference to all the people who get these jobs, it will make a difference to all those communities where they spend their paychecks.

WHITEHOUSE: President Obama on Highways and Recovery

Information leaflets and letters were distributed to residents living in the 'core zone' to help them understand the simple measures they could take, such as tilting outdoor security lights downwards instead of up, that could make difference to how dark the night sky appears.

BBC: Brecon Beacons National Park wins dark sky status

But they will take years to make much difference to the price at the pump.

BBC: G8 summit: The key issues