猫三天就会忘记我们照顾了它三年，而狗三年内都会记得我们养了它三天。
貓三天就會忘記我們照顧了它三年，而狗三年內都會記得我們養了它三天。
māo sān tiān jiù huì wàng jì wǒ men zhào gu le tā sān nián ， ér gǒu sān nián nèi dū huì jì de wǒ men yǎng le tā sān tiān 。
A cat will forget three years of kindness in three days, feed a dog for three days and he will remember it for three years.
Mandarin
这小镇在过去的十年内并没有多大的改变。
這小鎮在過去的十年內並沒有多大的改變。
zhè xiǎo zhèn zài guò qù de shí nián nèi bìng méi yǒu duō dà de gǎi biàn 。
This town hasn't changed much in the last ten years.
A-kit swears that he will become the general manager of this company.
Examples (Wiktionary)
Mandarin
我们必须逐步地建设一批规模大的现代化的企业以为骨干，没有这个骨干就不能使我国在几十年内变为现代化的工业强国。
我們必須逐步地建設一批規模大的現代化的企業以為骨幹，沒有這個骨幹就不能使我國在幾十年內變為現代化的工業強國。
wǒ men bì xū zhú bù de jiàn shè yī pī guī mó dà de xiàn dài huà de qǐ yè yǐ wéi gǔ gàn ， méi yǒu zhè ge gǔ gàn jiù bù néng shǐ wǒ guó zài jǐ shí nián nèi biàn wéi xiàn dài huà de gōng yè qiáng guó ．
We must build up a number of large-scale modern enterprises step by step to form the mainstay of our industry, without which we shall not be able to turn China into a powerful modern industrial country within the coming decades.
Mandarin
我们准备在几年内，把征粮和购粮的数量大体上稳定在八百几十亿斤的水平上，使农业得到发展，使合作社得到巩固。
我們準備在幾年內，把徵糧和購糧的數量大體上穩定在八百幾十億斤的水平上，使農業得到發展，使合作社得到鞏固。
wǒ men zhǔn bèi zài jǐ nián nèi ， bǎ zhēng liáng hé gòu liáng de shù liàng dà tǐ shang wěn dìng zài bā bǎi jǐ shí yì jīn de shuǐ píng shàng ， shǐ nóng yè dé dào fā zhǎn ， shǐ hé zuò shè dé dào gǒng gù ．
In order to help agriculture to develop and the co-operatives to become consolidated, we are planning to stabilize the total annual amount of the grain tax plus the grain purchased by the state at somewhat more than 80,000 million catties within a few years.