All the state hospitals recently adopted a new record-sharing system that will
keep patients like you from having to register personal information at each
facility.
所有的州立医院最近都采用了新的病例共享系统，让像您这样的病患不必在个别设施中登
记个人资料
请问这段话中的from having to 是代表 不必 吗？感谢～

keep... from 使…免于

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