on spec

基本解释

That is theoretically possible and the more people abuse Tamiflu, if they take half the dose they are supposed to, or take it on spec, that is more likely to lead to resistance.
這在理論上是有可能的，而且越來越多的人正在濫用達菲。一旦他們衹服用推薦劑量的一半，或者隨意服用，難麽就更有可能導致病毒耐葯。
Many independent screenwriters focus on spec, or speculative, scripts.
許多獨立的腳本作家主要從事槼格腳本（即，投機腳本）寫作。
At night, he wrote scripts on spec.He met Skip Press, another young writer who was a Scientologist.
晚上，他按要求寫劇本，他遇到了Skip Press，另一個信奉山達基教的年輕作家。

U.S. automakers have been working to accommodate special orders, too, but they still build most cars on spec.
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She says CarrAmerica will develop in other Dallas submarkets, too--but not on spec.
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China also built a whole city, Ordos, in Inner Mongolia, on spec for one million residents who never appeared.
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