For a small farmer, replacing a bucket with a pump can lead to cultivating a wider variety of crops and creating work for family and neighbors.

VOA: standard.2010.08.09

as long as it's small and finite, will lead to some small infinite errors in the formula, but remember it's got to be in the end made to be vanishingly small.

只要它只是有限小,就会在公式中引起无限小的误差,但请记住,Δt最后变得难以察觉地小

耶鲁公开课 - 基础物理课程节选

Beyond the hiring of its own employees, Buchanan Renewable's generation of lower-cost electricity should lead to further job growth as small businesses will spend less on utilities.

VOA: standard.2009.09.13