I think this is essential. Under the deal, the 27-member bloc would contribute to an overall annual aid fund of $74 billion for poorer nations.

VOA: standard.2009.10.30

Bitter pride, chipper laughter Then silence, each waiting for the other to contribute something.

苦涩的高傲，爽朗的笑声,沉寂却随之而来,每个人都在等其他人说点什么。

耶鲁公开课 - 1945年后的美国小说课程节选

The way that Muslims are both integrated in and contribute to American life, in our counterparts in Europe I think is a stark example for this.-Right.

穆斯林既融入到了美国生活中,又为美国生活做出了贡献，这都好于欧洲一些国家,我认为这就是一个明显的例子-是的。

普林斯顿公开课 - 人性课程节选

The Royal Society is calling for the British government to contribute around $3 billion to fund the research into science that improves crops and sustainable crop management.

VOA: standard.2009.10.21

At the margin, I'm reaping, I'm bearing the cost for the extra unit of effort I contribute, but I'm only reaping half of the induced profits of the firm, because of profit sharing.

从边际角度分析,我承担了多付出的全部边际成本,但我却只能得到一半的边际收益,因为利润是均分的

耶鲁公开课 - 博弈论课程节选

He says poverty, gender inequality, and conflict contribute to human trafficking, but it is the demand for unreasonably cheap labor and cheap goods that drive this unscrupulous trade.

VOA: standard.2009.10.19

He said that combined with strong international support from donor countries, supportive non-governmental organizations and an improved security situation should all contribute to a better future for the country's nine million citizens.

VOA: standard.2009.09.09

Brennan said the Obama administration will also focus on factors that contribute to terrorism, such as poverty, and a lack of education and other opportunities for young people in many developing areas of the world.

VOA: standard.2009.08.06

"I think in the long run what this does is to contribute to what seems to be occurring right now and that is the retrenchment of the Republican Party, opting for purity of ideological beliefs rather than a broad-based appeal to the general public."

VOA: standard.2010.05.04