其中有一条很小的限制条件，那就是追溯的关系不允许是闭环的。

A small limitation is that a trace relationship is not allowed to be circular.

youdao

对于我来说，我没有养过宠物，并不是因为我不喜欢他们，而是我没有我的经济条件不允许。

As for me, I did not have experience for raise a pet, not because I do not like them, just due to my miserable economic condition.

youdao

他的经济条件不允许他享受那种奢华。

Hiss purse would not allow him that luxury.

youdao

他的经济条件不允许他享受那种奢华。

Hiss purse would not allow him that luxury.

youdao