difference between a/an and one

a/an - Using one puts more emphasis on the number

one    - A/an and one both refer to one thing, sounds more natural

 

difference between a/an - one...

(hi, i would like to know the difference between the word use "a/an" and "one";in other words, when is used these words in a phrase?

for example:

"please, give me one cigarette" or "please, gimme a cigarette"

i just use each one instinctively but i don't know its difference...

if you could help me, i'll thankful to you)

difference between refrigerator and fridge

refrigerator - (хөргөгч)

(also informal fridge)

 

a piece of electrical equipment in which food is kept cold so that it stays fresh

fridge - (хөргөгч)"fridge" is short for "refrigerator."
a large piece of electrical kitchen equipment, used for keeping food and drinks cool [= refrigerator]

difference between refrigerator and fridge

difference between operation and surgery

operation - (мэс засал )
[countable] the process of cutting open a part of a person's body in order to remove or repair a damaged part
      ----- Will I need to have an operation?
[countable] an organized activity that involves several people doing different things
     -----a security operation
surgery - (мэс ажилбар, хагалгаа )
medical treatment of injuries or diseases that involves cutting open a person's body and often removing or replacing some parts; the branch of medicine connected with this treatment
     ----- She required surgery on her right knee.\

difference between operation and surgery

difference between professional and specialist

specialist - (мэргэшсэн хүн, мэргэжлийн хүн )a specialist is a person who is an expert in a particular area of work or study
someone who knows a lot about a particular subject, or is very skilled at it
      ---- an attorney who is a specialist in banking law
professional - (боловсон хүчин, мэргэжилтэн)a professional is one who is paid for his job