Concerned at the escalation of the problem of illicit supply, diversion and substitution of precursors and at the use of sophisticated technologies for illicitly processing natural and designer drugs, thereby flouting the law and fostering impunity,
关切地注意到前体的非法供应、转移和替代问题日趋严重，并且采用尖端技术来非法加工天然和特制药物，从而蔑视法律和逃避惩罚，