原文标题：White, brown, green chicken eggs: What's the difference?白皮、褐皮、绿皮鸡蛋有什么区别？每日英语：1 have a bee in your bonnetthink or talk about sth all the time and believe that it is very important痴迷；念念不忘；想得入了迷：Harry's always going around opening windows. He's got a bee in his bonnet about fresh air.哈里总是走来走去地开窗，他就惦记着新鲜空气。
2 been there, done thatused to show that you think a place or an activity is not very interesting or impressive because you have already experienced it去过了；经历过了；没有新意：Not camping again! Been there,done that, got the T-shirt.不要再提野营了！都已经去过了，再去就没劲了。
3 have been a round have a wide experience of life生活阅历丰富：She's been around a bit so she'll know how to deal with this type of problem.她经验老到，应该知道如何应对这类问题。
4 make a beeline for sb/sth move directly towards sb/sth直奔某人/某物；抄近路：The children made a beeline for the food the moment they came in.孩子们一进来就直奔吃的东西。