There is no hard evidence for this theory, and it is laid out, discreetly, in an appendix to this biography.

两位作者提出的理论并没有确凿证据，只是小心地记录在传记的附录处。

youdao

There is no hard evidence for this theory, and it is laid out, discreetly, in an appendix to this biography .

两位作者提出的理论并没有确凿证据，只是小心地记录在传记的附录处。

youdao

We are supremely disappointed that so many Cites parties ignored the clear scientific evidence that justifies an uplisting of the species to Appendix I.

BBC: Polar bear trade ban vote defeated at meeting