 Although significant advances have been made in domain-specific continual lifelong learning with neural networks, extensive research efforts are required for the development of general-purpose artificial intelligence and autonomous agents .
<clarity>  Although significant advances have been made in domain-specific continual lifelong learning with neural networks, extensive research efforts are required for the development of general-purpose artificial intelligence and autonomous agents .
 Although significant advances have been made in domain-specific continual lifelong learning with neural networks, extensive research efforts are required for the development of robust lifelong learning on autonomous agents and robots .