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"One day a huge beast will invade our world. How should we respond if we can prepare in advance so as to minimize human losses?" Su Jia, an ordinary person who accidentally traveled back in time, wanted to do something for mankind when the beasts invaded, so he posted this question on the forum. It's just that most of the replies from netizens were ridiculing without much constructive advice. When Su Jia felt that it was useless, a reply gave him hope. [Wanderer: If it is a huge beast invasion, then I think we can refer to a certain movie and build a similarly huge mecha to fight against it. In this regard, in order to save some losses for mankind, Su Jia worked hard to build a mecha and stood at the forefront when the beasts invaded. Many years later, the netizen who replied asking Su Jia to build a mecha was found by a well-intentioned person, and the netizen replied. [I don't know, I just said casually, who knew he really built a mecha!