Could you give up fast fashion?

Vocabulary pledging publicly promising to do something (you can make a pledge to do something) outsourced given to another company to do, often because that company has the skills to do it or it can be done cheaper undercuts if a company undercuts another, it charges less to do a job than its competitor stems from (something) caused by or a result of something illogical unreasonable - not sensible, more driven by emotions than practical reason backlash strong negative reaction to what is happening