When searching for a job Adrian favours networking and writing letters on spec.

寻职时阿德里安更喜欢上网和写信来碰运气。

《柯林斯英汉双解大词典》

I'm just curious of your opinion on spec and would love to read your advice.

我只是对你在天赋上的看法好奇，并想读读你的建议。

youdao

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。

youdao

U.S. automakers have been working to accommodate special orders, too, but they still build most cars on spec.

FORBES: Just in Time Meets Just Right

She says CarrAmerica will develop in other Dallas submarkets, too--but not on spec.

FORBES: The great suburban overbuild

China also built a whole city, Ordos, in Inner Mongolia, on spec for one million residents who never appeared.

FORBES: Chinese Quest For Shortcut To Greatness