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  1. ...revenue (b) 2006-10-25 20:34:00 補充: If you are slow, please do not color the area during exam. Shade it instead and label different portions as A, B, C ... etc...

  2. ..., therefore consumer new surplus gain will be the peach colour region, and total consumer surplus will nowbe the light pink and...government producer, their surplus was equal to shaded peach+yellow+Blue section, but now after the ...

  3. ... not wring by hand 不可扭絞。 Hang dry. 吊乾 Hang dry in shade . 在蔭涼處吊乾 Lay flat to dry. 平放乾燥 Lay flat to dry in shade ...