although...,and ...记得后面一定不能用but
书面语时 不要老用although了 it was clichealbeit【书】尽管, 虽然The cure for the disease is effective, albeit expensive. 治疗这病的药物虽然昂贵, 但极有效。
though。。。yet
neverthelesseven so fall all that
a1though