要回国，亲戚让我带个t3i，我在amazon上看了一个，点击页面显示free accessories
and big saving on select canon lenes, note里还说Accessories are free even
without a lens purchase. intruduction里step3说check the box to the left of
each accessory you want. they are all free with purchase，但是我没有看到任何
可选的accessory呀，难道是自动加的？
