}The variable e in catch(e) is a string — the error message from whichever ? failed. The parentheses around e are required.
当然，医院也需要投入少量资金，用于志愿者的培训和协调，但这笔支出，远低于节省下来的劳动力成本。可以说，志愿者是Sun City医疗体系可持续运营的“隐形支撑”，尤其是在医院高度依赖Medicare、报销率低的背景下，他们的付出，极大缓解了医院的预算压力。
，这一点在搜狗输入法中也有详细论述
Two key subsystems of Madblog have been extracted into standalone, reusable Python libraries. If you're building a Python web application and want to add decentralized federation support, you can use them directly — no need to adopt Madblog itself.
第五章 培育壮大新兴产业和未来产业