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B           =be
BG          =bag  
BAL,BALCE   =balance
B/B         =bed and breakfast(for hotel BIZ)
BCOS,BCOZ   =because
B/D         =bank draft
BEF,BFR     =before
BGN         =begin
BIBI        =byebye
BIZ         =business
BK          =bank,book
BKFST       =breakfast(for hotel business)
BKBLE,BKBL  =bookable
BKG         =booking
B/L         =Bill of Lading
BLCH        =bleach
BLDG        =building
BLNDD       =blended(for textile BIZ) (来源：英语博客 http://space.englishcn.com)
BP          =British Pharmacopoeia
BR          =Britain
BRS         =brass
BSNS        =business
BSR         =basic service rate(for ocean transportation BIZ)
BTM         =bottom
BTN         =button
BTWN        =between
BUS         =business
BXS         =boxes
BYR         =buyer