治政之要在于安民，安民之道在于察其疾苦。
友谊医院顺义院区今年已建成投用。北京市发改委供图
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await blocking.writer.write(chunk3); // waits until consumer reads
It will be the first crewed mission to the Moon since Apollo 17 landed on its surface in December 1972.
"It is just amazing seeing a future building up here with the green transition here."