paypal fee

paypal send money
' G# l0 P, E0 G0 Z" x- N; HOnline purchases
  t" U* B) a) s" A9 C8 i3 C2.4% to 3.4% + $2.35 HKD
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) ^& X, k& G5 _; j' P: LFree when you use your PayPal balance ***
) u7 K/ o; u9 H8 n+ g4 `' [5 K3.4% + $2.35 HKD
credit card
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/ A2 ?: c* j2 B0 z" {) f5 k怎麼樣才是use your PayPal balance呢？ 才能免費發PP呢？