Could U have a look this sentence? Just want to know what does that mean. Thanks

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Hi, my friend. I am working on a translation task recently. A sentence from it I can not understand. Would you give me a hand and have a look at that? More words are given as context. What I do not understand is marked as CPTITAL WORDS. Here it is: ----------------- Bad communication is probably the biggest single cause of complaints and it is often closely linked to the topic of honesty. Unlike previous generations, todays' doctors have had extensive innstruction in commnunication skills but BUT IT IS A FEATURE OF THE SYSTEM THAT IT IS OFTEN THE GREENEST SHOOTS WHO ARE THE MOST EXPOSED WHETHER IN A AND E OR AS THE HOUSE OFFICER CLERKING IN A PATIENT.There is a world of difference between acting out how you wold deal with a particular situatino in a workshop and having to face the cold reality of telling a patient that he has cancer. ----------------- I know that house officer refers to the intern doctor and A and E means accidence and emergency department of the hospital. But what is meaning of all the captical words above? Thanks so much for your help.