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1 For now, North American investors remain the main source of institutional capital.
2 In many metropolitan areas, traffic is the main source of air pollution.
3 The main source of information about breastfeeding was own reading or experience.
4 You hardly need to be told the main source of that dough.
5 Western governments are the main source of the ills of the world.
6 May's main source of leverage is what might happen if she fails.
7 Those transporting oil are most definitely not the main source of spillages.
8 Moonshine is our main source of income, we'd be destitute without it.
9 The membership fees are the main source of profits for the stores.
10 Crops like barley, potatoes and apples are the main source of income.
11 Free water serves as the main source of supply for capillary water.
12 That is the main source of the so-called 'excessive' water usage.
13 Transport is today the country's main source of climate changing emissions.
14 Parents continued to be the main source of income at 35 per cent.
15 The state is not the main source of happiness; individuals are.
16 Mining is the main source of state revenue and hard currency.
Other examples for "main source"
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This collocation consists of: Main source through the time
Main source across language varieties