WM出版的中型韦氏字典=The Merriam-Webster Dictionary (Price: $5.99 A high-quality, economical language reference covering the core vocabulary of everyday life. Over 70,000 clear, concise definitions
Includes pronunciations, word origins, and synonym lists Special sections and tables http://www.m-w.com/book/diction/mwpbk.htm)
一本袖珍的Webster=Webster's Compact Dictionary(Price: $6.50 A small-format dictionary that's built to last. More than 38,000 entries Help with spelling, hyphenation, and usage Abbreviation section http://www.m-w.com/book/diction/comdict.htm)
Webster 韦氏字典有多个版本,其中,random house和 Merriam的版本最为常见 is not exact, should be "Webster韦氏字典有多个companies publish, 其中,random house和 Merriam的版本最为常见.Merriam 有多个版本."