That's the same problem with me. I was started my punt with ML and always try to find ML with good English. 227 broadway is a good example for shop with clear description, including English proficiency.
Come to WL, it's a lot of hit and miss (mostly miss). If it advertised as new from boat, usually they can't speak English.
I usually read the review to find how good/bad their English (WL), however nowadays i don't really pay attention anymore, i just go with the flow and see what happens.
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