Specification cost
[经] 规定成本
🧩 词语组成解析
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
He's unwilling to accept advice.
他不愿接受劝告。
How do other racers feel?
他的赛车同伴怎么想？
In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.
因此，任何食肉动物有了毒液，都能从中获益。