RPG uses a 1 character field (like an indicator) to determine if a column contains nulls.
RPG 使用一个 1 字符字段（比如一个指示符）来确定列是否包含空值。
The split method is useful because it splits a string into a sequence of smaller strings, using a token character (or any character in a given sequence of characters) as an indicator of where to chop.
split方法很有用，因为它可以将一个字符串分成几个较小的字符串序列，方法是将令牌字符(或给定字符序列中的任何字符)用作断开位置的指示器。
The personality of a character is conveyed through emotion and emotion is the best indicator as to how fast an action should be.
角色的个性通过情绪传达，而情绪是关于动作应该多快的最好的指示器。
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