这个列应该是NOT NULL,并且没有商业意义。
This column should be NOT NULL, and will have no business meaning.
例如,一个需要花费1万工时的项目可能具有商业意义。
For example, a project that requires 10,000 effort hours might make business sense.
但近来的分析说明,仅仅一小部分的即时对话是有商业意义的。
But recent checks suggest that only a small fraction of real-time conversations are clearly commercial.
Not so much for technological advice, which is extremely hard to get "Does this business strategy make sense?"
他们不必给出技术建议,这很难,这种商业策略有意义吗“
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