3月10日凌晨4时许，搭载70余名台湾同胞的MU704航班平安抵达上海浦东国际机场。这是近期中东局势升级以来，经大陆中转返台人数最多的一批台胞。
Validate user input using a chain of Result-returning functions. The ? operator propagates the first failure, short-circuiting the rest of the chain.
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scripts, etc. #10810
Pre-sorting has reduced the amount of recylables in the waste brought by truck to Dandora