见 matter
events or processes which are normal and to be expected
正常的；可预知的
each man would, in the course of nature, have his private opinions.
每个人通常都有自己的观点。
undergoing the specified process
在…过程中
a new text book was in course of preparation.
新的课本正在准备之中。
during the specified period
在…期间
he was a friend to many people in the course of his life.
他一生中帮助过许多人。
as time goes by
总有一天；终究
not following the intended route
偏离原路；偏离方向
the car went careering off course.
汽车偏离道路疾驰。
following the intended route
在原路上
he battled to keep the ship on course.
他拼命不让船偏离航道。
to get back on course, I relied on one of my stock questions.
我借着一个老套的问题回到了正题。
complete its natural development without interference
自然而然地发展；按常规进行
his illness had to run its course to the crisis.
他的病情势必每况愈下，越来越严重。
At the proper or right time.
在合适或正好的时间
In the natural or expected order of things; naturally.
自然地：按事物自然的或预期的顺序；自然地
Without any doubt; certainly.
无疑地；当然地