3 sentences

1. 这个问题有待进一步研究。

   zhè​ge wèn​tí yǒu​dài jìn​yī​bù yán​jiū.

   This issue requires further study.

   Source: Dong Chinese Dictionary

2. 这项计划的科学性还有待验证。

   zhè xiàng jì​huà de kē​xué​xìng hái yǒu​dài yàn​zhèng.

   The scientific validity of this plan has yet to be verified.

   Source: Dong Chinese Dictionary

3. 关于他身份的真实性，尚有待再核。

   guān​yú tā shēn​fèn de zhēn​shí​xìng, shàng yǒu​dài zài hé.

   The authenticity of his identity has yet to be verified.

   Source: Dong Chinese Dictionary