🧩 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
English is important for those who wish to do international trade.
英语对于那些想做国际贸易的人来说太重要了。
It's a long story.
说来话长。
Finding that he could not remember a word of the letter either,
狱卒发现自己连一个字也记不住，