This has occurred due to account inactivity or improper access attempts to your account.

这原因而发生的帐户闲置或不当访问尝试，您的帐户。

youdao

Your account has been deactivated for your protection, due to account inactivity or improper attempts to access your account.

您的帐户已停用您的保护，由于帐户活动或不当尝试访问您的帐户。

youdao

The account was then locked out of the system for 30 days, and once a total of 90 days of inactivity was tracked, the account was removed.

系统锁定帐户 30 天，一旦发现一共 90 天没有活动，帐户就被删除。

youdao

Over the last five years, however, states have been moving away from the old returned-mail requirement toward a new account "inactivity" standard.

WSJ: State Governments Eye 'Inactive' Broker Accounts