使用sugroup让系统管理员能够通过组成员限制谁可以使用su访问哪个账户。
Using sugroups allows system administrators to restrict access by group members on who can su to what account.
或者，也可以选择LocalSystem账户，但是如果使用该选项，会遇到一些限制。
Optionally, you can select the LocalSystem account, but there are limitations introduced if this option is used.
为了确保最佳的表现为您的账户和你们共同举办的环境，我们要求你减少你的账户上函数的使用在这些限制。
In order to ensure optimal performance for your account and the others in your Shared hosting environment, we request that you reduce the MySQL usage on your account to under these limits.
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