Hi$,$ I do have questions regarding ROA&ROE ratios. Most companies I see have ROA like above $9$ and ROE is $12-20$ something. Does that mean it's good?

$+$What does it mean when company experiences abnormally high in ROA&ROE ratios, like with RoA is $30$ and ROE is $43\mathrm{.}70?$

$+$ What does it means when ROA is like below $3$ and ROE is like $0\mathrm{.}52$ or $8$ something $?$

Please help!!!