Training costs
[经] 培训成本
🧩 词语组成解析
training
['trenɪŋ]
n. 训练;培养;（枪炮，摄影机等的）瞄准;整枝法;
v. 训练，培养( train的现在分词);教育;瞄准;整枝;
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
I understand.
我可以理解。
No class!
真没水准！
He quickly became the leader.
他很快就成了领袖。