We should be careful while using body language in foreign co

We are always using body language in our daily communication Why we should pay attention to body language in business? 英语翻译We are always using body language in our daily life.When say ...using body language为什么是using Don't forget to be careful of your body language to express We should be careful when we ___a busy street When we learn a foreign language,we should hold that no cult 11.[When we learn a foreign language,we should hold that no while crossing the street,you should be careful句型转换：while __ we should be careful not to （养成）bad habits When a shark ______(appear),we should be careful knowing how valuable friendship is,we should be very careful