unused portion造句怎么写

Some creativity experts believe a lack of sleep draws on a survival instinct that opens up unused portions of your mind.

We may apply towards such payment or expenditure the value of any unused portion of your Ticket, or any of your funds in our possession.

The process of inserting meaning less characters, such as null characters, zeros, or spaces, into the unused portions of a field, record, or fixed- length block of data.