<view wx:for="{{subjectArray}}" wx:key="item">
  <view>{{item.subjectName}}</view>
  <view
    wx:for="{{item.professionArray}}"
    wx:for-item="professionitem"
    wx:key="{{professionitem}}"
  >
    <text>{{professionitem.name}}</text>
  </view>
</view>