（二）货物的自然损耗、本身的缺陷和自然特性；
In isolated tests, the improvement was ~8×. Amdahl’s law suggests that, in the real system, we should see a substantially lower improvement. Instead, we saw the improvement grow to ~13×.
，更多细节参见体育直播
Purple: ___ Press
I remember the lunch was just packed lunches.
5.4 self.instance_bank.get_for_export_map_onnx（）函数