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.
Q: The European Commission runs the day-to-day running of the EU and writes laws , like a government .
A: 
The European Commission acts both as the EU 's executive arm , responsible for the day-to-day running of the EU , and also the legislative initiator , with the sole power to propose laws for debate .