So can we get zero percent financing for things we really need, like root canals and annual checkups?

比如说，牙齿根管治疗和年度体检。

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Meanwhile, regarding the problem of coaxing plants to allocate more carbon to their root systems, Jansson says an important difference between perennial and annual plants is a good place to start.

同时，问题是可考虑哄骗植物分配更多的碳到根系，简颂指出多年生和一年生植物间的关键差异是一个良好的起动点。

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Its root tuber has multilayer concentric circularity similar to "annual ring lines" at the initial stages of development, and grows and enriches at the same year.

块根在发育的初期具有类似“年轮纹路”的多层同心圆结构，当年产生，当年充实。

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