by

B1Frequent NGSL-1
UK /baɪ/US /baɪ/

Meaning

adverb
past
Just drive by. Don't stop.
preposition
used for showing how or in what way something is done
The house is heated by gas.

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Climbing out of poverty by your own efforts, that is something on which to pride yourself.

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And by "why" I don't mean "to make a profit."

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