Body language is used by people for sending messages to one another. It is very helpful it can help make you easily understood by others. When you are talking with others, you are not only using words, also using expressions and body movements. Body language (include) your facial expressions and gestures when you are communicating with other people. It is important part of social etiquette (社交礼仪) and the proper use of body language can make your (communicate) more effective (有效的), especially when it comes to foreign friends who can't speak your language. That means you could convey (传达) most of your information by body language even if you don't know what (other) are speaking!
Different countries have different body language. When you use a foreign language, it is important (know) the meaning of gestures in the foreign country. (use) body language in a correct way will help communicate with people and make the stay in a foreign country easy and (comfortably).
In a word, I think it is important in our (life) to learn and use body language.
