High-paying jobs always have applicants swarming after them.
Tips
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Almost always mildly pejorative — implies the crowd is herd-like and undiscerning, like ducks waddling after scraps. Don't use it for things you approve of.
memory
鹜 = wild duck. Picture a flock of ducks all waddling toward the same pond — that's the image. 若 ('like') makes the simile explicit.