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OXF3000N 
rẻ rẻ tiền 
cheaply
like: rẻ tiền → →
Cycling is a cheap way to get around. ☊ cheap ☊
It has the double advantage of being both easy and cheap. ☊ double ☊
expert (at/in doing sth): She's expert at making cheap but stylish clothes. ☊ expert ☊
You can get there just as cheaply by plane. ☊ just ☊