His love for you is unaltered.
对你的爱情始终如一。
The other nine species (marked by capital letters) of our original genus, may for long but unequal periods continue to transmit unaltered descendants; and this is shown in the diagram by the dotted lines unequally prolonged upwards.
我们原始属的其九个物种( 以大写字母标记)可能会在很长一段间内但不平等地继续传播未改变的后代;这在图中由向上不等长的虚线表示。