Exec runs a command and returns its exit code:
宋高祖也向BBC強調，德國總理對北京的言辭與語調或許會趨於柔和，但不太可能出現對華政策從謹慎與「去風險化」的大幅轉向。「主要結構性障礙——包括中國與俄羅斯的結盟以及其產能過剩問題——至今仍未找到雙方都能接受的解決方案。」
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Is Wordle getting harder?It might feel like Wordle is getting harder, but it actually isn't any more difficult than when it first began. You can turn on Wordle's Hard Mode if you're after more of a challenge, though.
"With 1.7, My goal is to add more depth to various areas of the game that are somewhat lacking, without 'bloating' the game with too many systems," Barone wrote in an update on Steam. "More depth, but not necessarily more complexity. I'm confident you'll be happy with the result…