Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Problem:At the same time MTRCL changed its Chinese name from " 地鐵有限公司 " ( Subway Limited Company ) to " 香港鐵路有限公司 " ( Hong Kong Railway Limited Company ) , but left its English name unchanged .
Solution:
At the same time MTRCL changed its Chinese name from " 地下鐵路有限公司 " ( Subway Limited Company ) to " 香港鐵路有限公司 " ( Hong Kong Railway Limited Company ) , but left its English name unchanged ; at the same time the system 's Chinese name changed from " 地鐵 " ( " Subway " ) to " 港鐵 " ( " Hong Kong Railway " ) .