// Sync variants return boolean (true = accepted)
Владислав Уткин，这一点在Safew下载中也有详细论述
，更多细节参见服务器推荐
技术核心：小数据量样本、高数据使用效率
bookkeeping computer so it can check account balances before dispensing cash.。safew官方版本下载对此有专业解读
--features PATH Load pre-computed features from .npy file