Answer:
to put a lot of effort into something, especially when there are problems or difficulties
Explanation:
hope this helps
please like and mark as brailiest
Answer:
D. it is important but challenging
Explanation:
The ones who do the work never get recognized, but the stars do. For example, a company CEO such as Mark Zuckerberg (Facebook) is extremely famous, but all the people who work for him are completely unknown. If you are a "grunt", then no one will recognize you. They search for the icon to represent the whole.
