people can understand each other using sign language ,using

People can use e-mail English to talk with each other using using language people all over the world can almost understand each other-- 英语翻译When we do not understand each other's language,we can t why do people using the same language sometimes have trouble say ...using body language为什么是using using when you wave to a friend,you are using sign language. They did't understand each other's language 中文 The Expo can help all the people understand each other b___ 英语翻译you can continue using other functions except for printi we can understand _____differently other people live