Definite undertaking
[经] 确定性的承担义务
🧩 词语组成解析
undertaking
['ʌndɚ'tekɪŋ]
n. 企业;事业;殡仪事业;保证;
v. 担任( undertake的现在分词);着手作;
under下+tak进行+ing名词后缀→承诺；事业，企业，殡仪业
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
I've got no place to go.
天要亡我！
Why not?
好呀！ （为什么不呢？）