What is lengusa?
lengusa is a linguistic search engine and smart translator for perfecting your English, with its ever growing sentence database of over 300 millions records from reliable contexts.
Its cluster of background services constantly collects, sanitizes, indexes and orders sentences with state of art algorithms and machine learning routines.
It's never intended to replace common dictionaries or grammar checkers. Sole purpose of lengusa.com is giving you contextualized examples from reliable contexts, so you don't need to worry about your usage of English words or phrases.