The parentheses are empty, which indicates that the method takes no arguments.
圆括号内是空的,表示了这种方法不包含任何参数。
The default is DYNAMIC result sets 0, which indicates that there are no result sets.
默认值是DYNAMIC RESULT SETS 0,该值表示没有结果集。
This is different from using the empty string, which indicates that the property exists but has no value.
这与使用空字符串不同,空字符串表示属性存在但是没有值。
Imagine that when everybody's born, on their wrist everybody's born with a natural birthmark that indicates the precise year, day, and time in which they're going to die.
假设当大家出生的时候,手腕上都有一个天生的胎记,它预示了哪一年,哪一天,哪个时候你会死去。
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