一些相互牵连的商品经济很脆弱，容易受价格冲击。
An economy hooked on a handful of commodities is also vulnerable to price shocks.
这项科研展现了一系列复杂的相互牵连的组织设计。
The study showed some of the complex implications of tissue engineering.
它们虽各自独立，但结合在一起又衍生出新的东西；同时书与书彼此呼应，城与城相互牵连。
Although they are separate, together they all add up to something; they are connected with each other and with other cities.
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