掌握这项技能大约花费300元。
掌握这项技能，能让你建立自信，事半功倍。
Mastering the skill, can let you build self-confidence, get twice the result with half the effort.
但对于其他人来说，画画真是一个令人头痛的问题，他们会发现很难掌握这项技能。
But for some other people, drawing is really a big headache, and they'll find it really difficult to master this skill.
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