therefore

To understand what has happened to the earth's atmosphere—and, therefore, how our climate might change in the future—some ice-core scientists in the Arctic are training their eyes directly downward. —Bryan Walsh, Time, 18 Aug. 2008

Most Irish jump racing—and therefore most of the racing discussed in the book—is the laid-back pastime of enthusiasts … —Max Watman, New York Times Book Review, 9 Apr. 2006

A good approach to finding out what makes us humans so darn special would therefore be to get complete maps of the human and chimp genomes, and compare the two. —John Derbyshire, National Review, 7 Nov. 2005

Characteristically, however, Darwinists, like primitive economists, assume that what is humane—I use the word here, unexceptionably, as I believe, to mean whatever arises from the desire to mitigate competition and to put aside self-interest—is unnatural, and therefore wrong. —Marilynne Robinson, The Death of Adam, (1998) 2005

I was once sitting behind a newspaper in the Swansea common room while two engineers, i.e. lecturers in engineering, therefore by common consent philistines, chatted together. —Kingsley Amis, Memoirs, 1991

The cell phone is thin and light and therefore very convenient to carry around.

Payment was received two weeks after it was due; therefore, you will be charged a late fee.