相當與Opportunities，但是與Opportunities不同的是opening是 工作的機會多指工作職位的壹個空缺提供給就業者的，而Opportunities 是意泛旨對於整個社會所有的人的機會去就業。job openings means job vacancies provided by a certain employer. job opportunity means the chances for the people of the whole society to get jobs, which reflect s a nation's economy in a certain degree.