His face was a study in concentration.
他臉上完全是一副全神貫注的表情。
This study represents a major expenditure of time and effort.
這項研究意味著要耗費大量的時間和精力。
This study is the cornerstone of the whole research programme.
此項研究是整個研究計劃的基礎。
The first year provides students with a sound theoretical basis for later study.
第一年為學生以后的學習奠定堅實的理論基礎。
The content of the course depends on what the students would like to study.
課程的內容取決于學生愿意學什么。