The poor are often forced to make choices that no one should have to make.
穷人常常被迫做出没有人应该做出的选择。
始终使用止损单。
The development of the vital forms under the influence of external conditions is a subject of the highest importance.
Data is only as good as the questions we ask of it.
生活中唯一的限制是你自己设定的。