The persona is not whole and complete and lacks understanding, and as they drive the human dream, humans also lack understanding and feel less than whole and complete.

人格并不完整完全并缺乏理解，因此当它们驱动人类梦想的时候，人类也就缺乏理解并感到并不完整和完全。

youdao

Nowadays, there is often a lack of understanding between parents and children, which might result from lacking communication.

如今，父母和孩子之间往往缺乏相互理解，这可能是由于缺乏沟通所致。

youdao

She shows a lamentable lack of understanding.

她显得缺乏理解能力，实在令人遗憾。

《牛津词典》

The other is lack of understanding of the services that exist.

VOA: special.2010.04.13

Not enough cases have been tried in court yet, and many in the legal community lack understanding of the subject, UCITA opponents say.

CNN: Opponents blast proposed U.S. software law

No question that some measurements require a bit more interpreting than others, but that does not automatically relegate them to the dust bin of hocus-pocus, as many who lack understanding believe.

FORBES: Antarctic Temperatures Are Rising Twice As Fast As Previously Predicted

Mr. SHORE: Sometimes it's lack of understanding and lack of awareness.

NPR: Child Hunger: Nutritious Food Tough To Afford