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.
这在理论上是有可能的，而且越来越多的人正在滥用达菲。一旦他们只服用推荐剂量的一半，或者随意服用，难么就更有可能导致病毒耐药。
Many independent screenwriters focus on spec, or speculative, scripts.
许多独立的脚本作家主要从事规格脚本（即，投机脚本）写作。
At night, he wrote scripts on spec.He met Skip Press, another young writer who was a Scientologist.
晚上，他按要求写剧本，他遇到了Skip Press，另一个信奉山达基教的年轻作家。

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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