at one's convenience
... 便于使用 easy-to-use 便中 at one's convenience; when it's convenient 便装 casual dress ...
when it's convenient
...own convenience 嫌肥挑瘦; 挑肥嫌瘦 to round up (a number to a convenient multiple) 凑成; 凑成 when it's convenient 便中 ..
obiter
obiter » (副) 顺便; 附带; 便中 the Internet can not be used to » 互联网可以不被用来 ..
便中,汉语词语,拼音为biàn zhōng,意思是指方便的时候。