The pill is the most efficient method of birth control.服用避孕药是最有效的避孕方法。The process of replication is very quick and efficient.复制的过程快捷、高效。She was efficient and reliable.她办事很有效率，也很可靠。...
这家书店找不到此书, 他到别处买去了.Unable to find the book in this bookstore, he bought elsewhere.咱们想法到别处弄点吃的.Let's try and get something to eat elsewhere.我有点想搬到别处去.I have half a mind to move elsewhere....