用“＜”符号连接下列各三角函数cos15°、cos30°、cos45°、cos60°、cos75°．
解：∵75°＞60°＞30°＞15°，
∴cos75°＜cos60°＜cos30°＜cos15°．
Remember to spend some time _____ your loved ones because they are not going to be around forever.
