第一個(gè)我猜你大概意思就是人們很忙壓力挺大..不如這么說 Nowadays,people running after the time under great pressure,exercising can let them keep healthy in the life.
第二個(gè) 演講后據(jù)我經(jīng)驗(yàn)鞠躬說thanks for ur listening就行 如果想更禮貌 可以開頭加個(gè)It s my great honor（榮幸） to give you a lecture（演講）
第三個(gè)..這個(gè)嘛 你可以說from some data（數(shù)據(jù)）或者as far as I know啦 或者It is known什么的