None is difficult, but all contribute to the success of your dish and must be done precisely.

都不是什么难事儿，但却是成败的关键，所以一定要严格照办。

youdao

The occasional spousal spat, a teenager who refuses to cooperate or a nagging mother-in-law can all contribute to stress.

偶然的夫妻争吵，一个不听话的孩子或唠叨的婆婆都促成压力。

youdao

Overuse, misuse, improper dosing and the use of substandard or diluted medicines all contribute to the rise of resistance.

过量使用，误用，用量不当或者使用不符合标准，稀释的抗生素都会导致抗药性。

youdao

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

We don't care at all about corporations-- we should make that clear-- except as they contribute to individual welfare.

我们完全不关心企业-,我们应该明确这一点-,除非它们对个人福利有贡献。

耶鲁公开课 - 金融市场课程节选

Sidney's talking about the various kinds of discourse: - divinity, hymnody, science, philosophy, history-- in other words, all the ways in which you can contribute to human betterment and human welfare. He says in the case of all but one of them, each discourse is a "serving science."

西德尼进行了很多方面的阐述：,神学，赞美诗，科学，哲学，历史-,换句话说，所有你能想到的,对人类福祉有益处的方式,他说这里面除了诗学，其他都是“服务性学科“

耶鲁公开课 - 文学理论导论课程节选

Indeed, President Obama has promised it and we should all contribute to this conversation.

FORBES: What's Worse Than Evil?

Does - do we all contribute, I mean, the whole country is, sort of, an experiment.

NPR: Scorsese on the Immigrant Experience on Film

Main Street businesses need our help now, and this is a way we can all contribute.

FORBES: How We Can All Help Main Street after Sandy