Stack Overflow
– a question and answer site for professional and enthusiast programmers.
Quora
– an American question-and-answer website where questions are asked, answered, and edited by Internet users, either factually or in the form of opinions.
TV.com
– The website covered television and focuses on English-language shows made or broadcast in Australia, Canada, Ireland, Japan, New Zealand, the United States, and the United Kingdom.
Amazon
– an American multinational technology company based in Seattle that focuses on e-commerce, cloud computing, digital streaming, and artificial intelligence.
eBay
– an American multinational e-commerce corporation.
Oxford English Dictionary
– the principal historical dictionary of the English language, published by Oxford University Press.
Oxford Learner’s Dictionaries
– he largest English-language dictionary from Oxford University Press aimed at a non-native audience.
Cambridge English Dictionary
– popular dictionary and thesaurus. Meanings & definitions of words in English with examples, synonyms, pronunciations and translations.