It is when you nearly lose someone when you become fully conscious of how much you value them.

An idle youth, a needy age.

All male guests at this restaurant are respectfully requested that they are put on coat and tie.

The Crimea also released CDs for sale in shops because （）.

I thought you might be tired, （） is why I decided to help you.

事實勝于雄辯。

Cars turn into dead weapons when they are driven carelessly.

No one should blind himself （） the well-known fact.

In this passage, the expression "walk in the shoes of" is similar in meaning to （）.

The guide dogs helping the people with dementia will （）.