英语翻译翻译：1 如果你有任何疑问或需要,请在工作日联系经理.2 我们转移到另一辆客车,因为前一辆太拥挤了.3 我毫不怀

1 如果你有任何疑问或需要,请在工作日联系经理.
Any question or need, please contact our manager on workday.
2 我们转移到另一辆客车,因为前一辆太拥挤了.
We transfered to another bus, cause the previous one was so crowded.
3 我毫不怀疑她是班上最用功的学生之一.
I have no doubt that she is one of the most hardworking students of her class
4 这次国际会议的焦点与全球变暖有关.
The focus of this international conference is related to global warming.