cost obj HkBst, $kB:st v[T] past costed To cost some-thing is to calculate its future cost. 计算成本 How carefully did you cost the materials for the new fence and gate? 你是如何仔细计算新篱笆和大门的原材料成本的? Has your scheme been properly costed (out)? [T/M] 你正确计算过你的方案的成本吗？