We should make it clear whether the damage was caused in transit or during the unloading process, or by other reasons.
我们要弄清楚货物是否在运输途中受损,还是在卸货过程中受损,或者别的原因。
Fortunately, however, ancient men made tools of stone, especially flint,
然而, 幸运的是,远古人用石头制作了工具,特别是用燧石,