classes:  lecturer. Doubledot shows that students are not benefited from lectures because the lecturer does not accept instruction, just sit in one place when the lecturer refuses to give lectures, so at home to learn more.  curriculum. Doubledot shows that students are not benefited from lectures because the lecturer does not accept instruction, just sit in one place when the lecturer refuses to give lectures, so at home to learn more.  facility. Doubledot shows that students are not benefited from lectures because the lecturer does not accept instruction, just sit in one place when the lecturer refuses to give lectures, so at home to learn more.  general. Doubledot shows that students are not benefited from lectures because the lecturer does not accept instruction, just sit in one place when the lecturer refuses to give lectures, so at home to learn more.