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糧食安全是國家安全的基石，我們必須牢牢把握在自己手中。

采礦業的未來在于平衡盈利與環境責任。

你不能通過逃避生活來找到平靜。

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.