Left handed people are traditionally considered unfortunate; they have been labelled 'sinister' and 'cack handed', and now scientists are claiming that they even the earlier than right handers.
传统上，左撇子被认为是不幸的；他们被贴上了“险恶的”和“笨拙的”标签，现在科学家们声称他们甚至比右撇子更早……（原文此处不完整）
