The authorities often know that sex offenders will attack again when they are released.当局通常知道, 性犯罪者获释后是会再犯案的。

Many people are worried about the effects of food additives, with E numbers being the biggest offenders.很多人都担心食品添加剂的影响, 其中E数添加剂是最大祸首。

The contraceptive pill is the worst offender, but it is not the only drug to deplete the body's vitamin levels.避孕药的危害最大, 但是它并不是唯一一种降低体内维生素水平的药物。