7 R$ p* I& q! d( ^- X1 zEffective April 10, 2013, check-in and baggage acceptance for flights within Canada will close 45 minutes prior to departure – with the exception of flights leaving from Toronto’s city airport (YTZ), where check-in and bag drop-off will remain available until 20 minutes before departure. ' s9 \; x7 U9 c: L ?: o( ] 4 S5 |6 c! F4 P$ z( NWe invite you to check in online or with your mobile device at any time within 24 hours of flight departure, and to familiarize yourself with our check-in and boarding gate deadlines to allow for a smooth travel experience. l2 E3 @( l* |! X9 w4 e
这封信是什么意思,我英语不好,所以有英语好的大侠帮看一下。