How to Use "astute" with Example Sentences

1. Apple is ruthlessly astute in protecting its business model .
2. Instead , it provided a surprisingly astute guide to how capitalism can work best .
3. Yet it is also an astute observation about art .
4. I confess I have not read battle hymn of the tiger mother , only excerpts and several astute reviews .
5. The citadel , therefore , is doomed to capitulate and its stubborn resistance merely serves to create profit opportunities for astute traders .