撞肘是一种非正式的问候方式，两个人通过肘部轻触或者撞击来问候对方。
The elbow bump is an informal greeting where two people touch, or tap, elbows.
空2到4行打上你的问候语，同样要使用正式的名字，以冒号结束，例如：“Dear Mr.Jones
Skip two to four lines and follow with your greeting, again using the formal name and closing with a colon "Dear Mr. Jones:" for example.
在英语中有很多问候的方式可以用在正式和非正式的场合里。
There are lots of ways of greeting in English which can be used in both formal and informal situations, eg: How are you doing?
现在“ciao”是用于非正式场合的问候语，但它的本意“仆人“，可追溯到古时“我是你的仆人”这一用法，与“我是你卑微的仆人”在书信署名里传达的敬意一致。
Now the word “ciao” is casual, but its meaning “slave, ” harkens back to “I am your slave, ” the same sense of respect a person signing off with “your humble servant” tried to convey.
格蕾丝用正式的姿态问候她。
问候是正式的。
问候，用正式的会话方法将您自己介绍给来自国外的笔友。给出关于你自己的准确信息如年龄、出生地、你的家庭等。
Greet and introduce yourself to a pen Pal from abroad using formal conversation techniques. Give precise information about yourself, such as your age, your origins and your family.
他们互相问候是很不正式的。
葛姆雷还在不同国家体验了不同的问候礼。“我的大量工作都在中国进行，那里的商务交往非常正式和礼貌。”
Mr Gormley also has experience of different greetings in different countries: "I do a lot of work in China where business interactions are very formal and respectful."
交际双方的熟悉程度越高，所使用的问候语类型也就越不正式；
Secondly, the higher the degree of familiarity between interactants is, the less formal the greeting type is;
这些问候语既可以用在正式的场合中，也可以用在非正式的场合中。
These greetings can be used in both formal and informal situations and are simply a friendly and common way to greet both friends and people you meet for the first time.
这些问候语既可以用在正式的场合中，也可以用在非正式的场合中。
These greetings can be used in both formal and informal situations and are simply a friendly and common way to greet both friends and people you meet for the first time.
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