哪些源数据项可用，哪些不可用？

Which source data items are available and which are not?

youdao

选择profession查询项作为数据项源，并选择OK。

Choose the Profession query item as data item source, and select OK.

youdao

选择profession查询项作为数据项源，并选择OK。

Choose the Profession query item as data item source, and select OK.

youdao