I think there are other ways they could spend their money and time more wisely.
There must be other things that are more important than this when it comes to how they use their time and money.
1) I think there are other ways they could spend their money and time more wisely.
「もっと別の面で、賢くお金と時間を使うことができるだろ。」
spend one's money and time more wisely で「もっと賢くお金と時間を使う」
2) There must be other things that are more important than this when it comes to how they use their time and money.
「彼らの時間とお金の使い方にに関して言えば、もっと別の重要なことがあるだろうに。」
when it comes to で「〜に関して言えば」
ご参考になれば幸いです！
If they have the time to spend here there are other things they should do first.
There are other priorities than wasting time and ressources here.
If they have the time to spend here there are other things they should do first.
"こんな所に金と時間かけるなら、先にやることあるだろ" という意味です.
There are other priorities than wasting time and ressources here.
"ここでは時間とリソースを無駄にするより優先事項があります" という訳出です.
日本 
モロッコ 
