Uber Technologies Inc. CEO Travis Kalanick is likely to take a leave of absence from the troubled ride-hailing company, but no final decision has yet been made, according to a source.知情人士称，优步技术股份有限公司总裁特拉维斯·卡拉尼克可

What day is it today? Is it Tuesday or Thursday? This thought raced through her mind as she sat back with her studentsgoing over the lesson that never seemed to end. Didn’t I just do this yesterday? Or was it a year ago? Hell, everything s