Business English: A Practice Book by Rose Buhlig

8. The officers are as follows Edward Lawrence for

President John Kelly for Secretary and Fred Morrison for Treasurer. =Exercise 193--The Dash(--)= The dash is used to set off parenthetical expressions that have very little connection with the rest of the sentence; as, In New York the Harlem River tunnel was comparatively a simple one, but the first East River tunnels--the two subway tubes from the Battery to Brooklyn--presented all the difficulties known to subaqueous construction. These tunnels extend on under the great Pennsylvania terminal building--another of the same decade's accomplishments--to East Thirty-fourth Street. The dash is also used to indicate a sudden change or break in the thought; as,