Words+and+phrases+to+make+things+clear+or+explain+a+given+point+in+greater+detail

Eg: The most common argument against the use of nuclear energy is based on safety. ** The main point here is that **, despite the claims made by the nuclear industry, the immediate results of a severe nuclear accident could be so devastating, and the long-term results so insidious that no degree of risk is acceptable. Eg: ** From a purely theoretical perspective **, computers can replace " old-fashioned" printed books. ** Indeed **, in the past decade, hundreds of reference books have appeared in electronic form. ** Clearly **, the computer brings a great many benefits not offered by ordinary reference books; ** for ** ** instance ** , the option of enlarging the type to reduce eyestrain or the ability to copy passages onto a " notebook" page and so on. But when it comes to literature, the electronic-publishing movement has run into resistance from both readers and publishers. ** Simply put **, it is hard to imagine sitting down to read Dostoyevsky or Dickens on a computer. Though, ** on a more practical level **, the computer features may be very useful for those who do literary research or some other productive work. ** Strictly speaking **, it is hard to imagine an avid reader reading a computer novel just for pleasure.
 * Words and phrases to make things clear or explain a given point in greater detail: **
 * that is to say/in other words - ** другими/иными словами; иначе говоря; то есть;
 * that is ** (лат. - i.e.) - то есть;
 * indeed ** - в самом деле;
 * specifically/in particular/particularly/especially ** - особенно, в особенности; в частности;
 * strictly speaking ** - строго (точнее) говоря; used when you are using words or explaining rules in an exact and correct way: // Strictly speaking //, spiders are not insects, although most people think they are. (Longman Dictionary of Contemporary English, 1995);
 * simply put/to put it simply ** - проще говоря;
 * the main point here is that ** ... - главный вопрос/основной момент в том, что ... ;
 * on a (more) personal/practical (etc) level ** - в (более) частном/ практическом и т.д. аспекте/плане;
 * from a (purely theoretical) perspective ** - с (чисто теоретической) точки зрения;
 * for example/for instance ** (лат. - e.g./eg) - например;

The great power of a real book is that it is intensely personal and highly interactive for it gives room for your imagination. Besides, nothing can compare to the glossy sheen, smooth feel, and gluey smell of a new book. The physical qualities of a book pull you into its pages. Above all, the printed book requires no technology; it is accesible to anyone who can read. ** Hence **, it is very unlikely that real books will be entirely displaced even in the future.