AS / SO LONG AS


Meaning of AS / SO LONG AS in English

1.

only if :

We'll go as long as the weather is good.

2.

since; to the extent that :

So long as there is a demand for these drugs, the financial incentive for drug dealers will be there.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.