all part of

enti

, W' H. Y- i& u3 G0 G% ZIndia’s 300,000 mail carriers have a new job today: carrying a smartphone and a biometric reader on their bicycles to offer banking to millions of consumers in far-flung areas. Accounts will be linked to the individuals’ Aadhaar, a unique, biometrically verifiable number. By the end of 2018 India Post’s 155,000 branches—three times as many as all commercial banks combined—will be onboard, creating the largest banking network in the country. This is all part of the government’s new push for “payments banks”. These institutions will allow balances of up to 100,000 rupees ($1,400), and let users send money domestically and pay utility bills. Four private competitors will join in too, including Paytm, backed by China’s Alibaba. They will operate through a network of stores, hole-in-the-wall shops and petrol stations. The World Bank estimates that 190m Indians do not have a bank account. Payments banks are intended to change that.
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all part of 是什么意思啊，全部的部分？

loveaffairs

This is all part of the government’s new push for “payments banks”.

楼主和前一位解答者都是把all看成不定代词(indefinite pronoun)。像all、both、each等不定代词有一个特点：指代主语时，可以放在三个位置达到与主语同位关系(apposition)：
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1.   They are all sceptical.
2.   They all are sceptical.
3.   All of them are sceptical.

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0 S. {9 w% \: v8 k' e由于与例1的结构吻合，因此将all作此理解是说得通的，可以将all看成是"this whole initiative"之类。
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考虑到前面并没有对这个做法做过多的描述，反而更多的是在描述支付银行，因此本人更倾向于将all理解成一个强调副词(adverb of emphasis，emphasizing adverb，emphasizer，intensifier)。除强调意味外，去掉之后并不显著影响句子的基本意思。
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, I! ]4 W1 d0 B% s& {4.   This is all so weird.
1 m1 }4 O2 J+ }3 U. N" l5.   This is so weird.

$ N9 I6 k. D) k- J例4相较于例5只是语气重了一些，多了一些不耐烦情绪。


4 n* F$ k6 _$ A1 Y其他更常见的强调副词有absolutely, certainly, clearly, definitely, naturally, obviously, positively, really, simply, undoubtedly。
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nickatuk

他们全部是政府推行payment bank的一部分

trivialstuff

all这里作副词表示completely（都，完全）。This is all part of sth = 这都是...的一部分。
类似的说法还有it's all part of a plan; it's all about the money; I'm all alone.

流星冲击

所有的组成部分，结合上文，看是哪部分。

enti

刚才看到一个 ‘not all that long ago', 这里的 all 是不是就是强调副词啊