Je was op zoek naar: 应建立有效的监督制度 (Chinees (Vereenvoudigd) - Engels)

应建立有效的监督制度。
an effective monitoring system should be put into place.

但深知仅仅批准《公约》不能使《公约》所制订的监督制度有效地发挥作用，
bearing in mind, however, that ratification alone does not enable the control system set up by the convention to function effectively,