There would be no end to rules for behaviour, if it be proper always to adopt the tone of the company; for thus, for ever varying the key, a FLAT would often pass for a NATURAL note.

如果总是采用公司的基调是适当的，那么行为规则就没有止境；因此，对于不断变化的键，FLAT 通常会被认为是 NATURAL 音符。