the sweatshops could learn a thing or two

the sweatshops could learn a thing or two sweetshops can learn a thing or two翻译成英语 a thing or two Tom knows a thing or two about Japanese."a thing or two to my joy the scientist knows a thing or two about the techn I was showing him a thing or two on the guitar. 谁知道knows a thing or two的意思? One or two apes may learn a fe The first thing a dog should learn is_________ The most important thing is___.A What do you learn if you could be anything in the world,plant,animal or thing. 英语翻译Take it easy,every thing will be fine in a day or two.Ja