Hacker and Alien.

Summary

Song Ping is searching for a physical copy of 'Budgeting Methods Notes' by Liu Qi Ming to upgrade its budgeting methods, believing the current method is insufficient for complex data. Zhang Ji Min initially misunderstands her intention, thinking she only wants to compare electronic and physical versions. Meanwhile, Yang Hai Chen, who is studying budgeting methods, is puzzled by Song Ping's desire to upgrade, as he believes the existing methods are adequate. Song Ping discovers an upgraded budgeting method online, similar to Liu Qi Ming’s, which was actually created by his former student, Maria. This method, developed after Liu Qi Ming analyzed complex data, raises questions about the need for an upgrade.

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