noun, colloquial
one's (unsavoury) past; one's personal background
Definitions (Kaifangcidian)
（沒有對應漢語詞彙）
Examples (Wiktionary)
Mandarin
好好地利用和发展沿海的工业老底子，可以使我们更有力量来发展和支持内地工业。
好好地利用和發展沿海的工業老底子，可以使我們更有力量來發展和支持內地工業。
hǎo hǎo de lì yòng hé fā zhǎn yán hǎi de gōng yè lǎo dǐ zi ， kě yǐ shǐ wǒ men gèng yǒu lì liàng lái fā zhǎn hé zhī chí nèi dì gōng yè ．
Making good use of the old industries in the coastal regions and developing their capacities will put us in a stronger position to promote and support industry in the interior.