So we have to bait the rig, because we need to get the statistical number of samples through to get the scientific evidence, and by baiting the rig, we're obviously changing shark behavior.
因此我们必须用引诱设备， 因为我们需要获取样本 统计数量来得到科学证据， 而当我们使用引诱设备， 鲨鱼的行为显然也被改变了。