Answer the following questions. Your answers should be clear and short.What is the remarkable feature of Longman Lexicon of Contemporary English ?
（1）COMPILED ON THE PRINCIPLE OF SEMANTIC FIELD
（2）SOME 15000 ITEMS CLASSIFIED INTO FOURTEEN SEMANTIC FIELDS OF A PRACTICAL EVERYDAY NATURE
（3）SUBFIELDS ALSO INCLUDED
（4）SEMANTICALLY RELATED WORDS DEFINING ONE ANOTHER
