Idiom of the Day
a piece of mail that cannot be delivered or returned to the sender
The letter with no return address went back to the post office as a dead letter.
Precaution while using Contact Lenses
Keep contact lenses clean
Keep contact lenses clean at all times by using the recommended contact lens solutions as directed. Dont use sterile water or nonsterile solutions including homemade solutions, distilled water, or water from the tap, a bottle, the ocean, pool, or lake. Dont use your saliva to wet your lenses.