definition
A measure taken in advance to prevent something dangerous, unpleasant, or inconvenient from happening
sentence
He had taken the precaution of seeking legal advice.
Of course I took the precaution of turning my light off first, and it was a lucky thing I did.
Of course I took the precaution of turning my light off first, and it was a lucky thing I did.
difficulty
easy
toefl frequency
2
toefl classification