Complex sentence: Pakistan has passed laws in an attempt to limit child labour and indentured servitude--but those laws are universally ignored, and some 11 million children, aged four to fourteen, keep that country's factories operating, often working in brutal and squalid conditions.
Split into simpler sentences: Pakistan has passed laws in an attempt to limit child labour and indentured servitude, but those laws are universally ignored. Some 11 million children, aged four to fourteen, keep the country's factories operating, often working in brutal and squalid conditions.