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因此，人们选择在制度之外经营，并不是道德堕落，而是制度排斥。他们在非正式网络中完成占地、交易与仲裁。这些规则未必高效，但至少可行。然而，这套体系无法标准化，无法跨区域使用，也无法被金融系统识别，一个在贫民窟有效的“地契”，在银行依然一文不值。
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Guar gum, a plant colloid, costs less than agar and is better suited for growing thermophilic bacteria, but is also more difficult to handle, being more viscous and less transparent. The bacterial polysaccharide xanthan is cheaper as well but forms weaker jellies that, as with carrageenan, might result in puncturing its surface. Other colloids, like alginate (from brown seaweed) and gellan gum (from a bacterium), don’t set solely based on temperature and require additives for gelation. These additives might interfere with microbial growth and make the preparation of those jellies less handy than agar plates.
"This inquiry must result in some big, bold policies with regards to maternity services, that really says that as a government we want to improve maternity services, we want to invest in it, and we will secure the truth and accountability for families," she said.
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