由此

from this;therefrom;as a result
对～而产生的一切严重后果负责be responsible(or be held responsible,bear responsibility)for all the grave consequences arising therefrom/～可见thus it can be seen;it is therefore clear;it shows;that proves/～及彼from this to that;from one to the other/～及彼地联系起来看问题look at the issues by examining their interrelationships