An English usage reference guide addresses problem points in the language as encountered by learners and their teachers, including information on grammar, vocabulary, idiom, style, pronunciation, and spelling.
Your safety matters to us!
Only meet in public / crowded places such as metro stations and malls.
Never go alone to meet a buyer / seller, always take someone with you.
Check and inspect the product properly before purchasing it.
Never pay / transfer any money in advance before inspecting the product.