1·With the encouragement and the money provided by the teachers, they had a paper folding class every Wednesday afternoon.
在老师的鼓励和资助下，他们每周三下午都要上一节折纸课。
2·Folding the money or giving dirty or wrinkled bills is in bad taste.
把钱折了或者用脏了或皱了的钱不好。