Now, the paycheck has returned as the primary source of spending.
He described air service as "the primary source of intercity transportation".
However, using social media as the primary source of science information has some potential weaknesses.
When reached to discuss "À Rebours" recently, Hell referred to it still as "the primary source".
However, when Palin was asked to write his autobiography, he naturally thought of his diaries as the primary source.
Which could leave free magazines, with their heavy reliance on advertising as the primary source of income, with some real challenges.
For Gordon, that music exists first on his vinyl collection, which he says he used as the primary source when he was writing about particular songs.
Industrialization replaced agriculture as the primary source of income for the American economy.
PubChem as the largest public compound hub is considered as the primary source for chemicals.
Because entrepreneurial skill is unobservable to the researchers, it serves as the primary source of error.
Urban runoff and sewers have been identified as the primary source of coastal water impairments.
