248.But Hancock says it is also crucial whether a conversation is being recorded and could be reread, and whether it occurs in real time.

英语四级译文:
但汉考克认为，对话是否被记录，可否被重新阅读，以及是否实时发生，也很关键。

四级词汇讲解:
本句的主干是Hancock says。it is also crucial…为says的宾语从句，其中and连接的是两个由whether引导的主语从句。

crucial的意思是“决定性的，关键的”。如:
The police arrived at the crucial moment.在关键时刻，警察来到了。
occur只能作不及物动词，意为“发生，想到”。如:It occurred to me that I had forgotten my keys at home.我刚刚想起来我把钥匙忘在家里了。

in real time.的意思是“实时”。如:
It can predict weather in real time.它可以实时预测天气情况。