possible and necessary 可能性和必要性
It is necessary and possible to establish the system of bail.
我国建立保释制度有必要性与可行性。
This will not be easy to achieve, but it is both necessary and possible.
这不是轻易就能达到的,但是却是必需和可能达到的。
It is necessary and possible to make an initiative and healthy cognitive social map.
构筑积极健康的社会认知地图,不仅是必要的,而且是可能的。
After many years of gathering the necessary information, it became possible to learn longitude by observing the stars and the moon.
VOA: special.2010.07.14
As completely as was possible and is necessary, would you choose to do it?
如果完全可能而且必要,你会这样做吗?
She said the annual reports, mandated by an act of Congress in 2000, are intended to encourage nations to act where necessary with criticism and the threat of possible U.S.sanctions.
VOA: standard.2009.06.16
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