在设置一个值后，键就从数据库中移除掉，并添加一条具有更新过的值的新记录。

Then when a value is set, the key is removed from the database and a new record is added with the updated value.

youdao

新的伞绳设置使得整个伞的伞绳少于300米，这是该类伞的一个新记录，与其他同类伞相比，减少了10%到20%。

The new line set up makes possible to keep the overall consumption below 300 m. a record in its class! improving this figures by 10 to 20% with respect to the other concurrency wings.

youdao

新的伞绳设置使得整个伞的伞绳少于300米，这是该类伞的一个新记录，与其他同类伞相比，减少了10%到20%。

The new line set up makes possible to keep the overall consumption below 300 m. a record in its class! improving this figures by 10 to 20% with respect to the other concurrency wings.

youdao