Alternatively, using modal verbs like 'can', 'could' and 'would' at the start of a question, and ending the question with 'please' will always help you sound more polite.

探索学科内的新兴知识趋势，是科研人员理解历史发展、把握未来方向的重要途径。今天和大家分享近期在Journal of the American Statistical ...