< div class="field field-node- node-title field- formater -ds-field -field- name-node-title field-type-ds field-label-hiddenhas-single">
< div class="field field-node——field-suhead field- formater -string field-name-field-suhead field-type-string field-label-hidden has-single">必须考虑社区需求、基础设施寿命和现有系统的可行性。