Compared to the cryptic stack traces common in imperative code, this execution trace makes the source of the error immediately obvious.
Prompt 版本化（像代码一样管理），详情可参考同城约会
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The company’s tech comes from an unusual source: a $100-million-endowed program at Caltech to develop orbital solar plants that would beam electricity to Earth below. The researchers ultimately settled on a sail-like structure that is thin and flexible compared to boxy, traditional satellites.