There's plenty of room for performance improvement in that code, but this should give you a general idea for how to approach the problem.

该代码还有很大的性能改进空间，但是这应当已经向您展示了如何动手处理问题的一般概念。

youdao

Cleaning products under each sink. If you don't like the idea of carting cleaning products from room to room consider storing general cleaning products under each sink.

如果不喜欢把清洁用具从一个房间托运到另一个房间，可以考虑在每个洗涤槽下面放上通用的清洁用品。

youdao

The medics have, in general, been cordial - some are excited about the publicity - but I begin to wonder if I'll be eating alone in my room tonight.

总体上说，医务人员一直很热心- - -一些人对公众有些紧张- - -但是我开始怀疑自己今晚是否要单独在房间里吃饭。

youdao

One room in the museum is called the General Store.

VOA: special.2010.03.03

Commenting on the report, former head of the British army General Michael Jackson says he believes the committee is trying to stress that there is room for improvement.

VOA: standard.2009.08.02

It was a different era. But General Myers spent many hours in the White House Situation Room, working with Bush administration officials on strategy for the two conflicts, just as current top officers are working with President Barack Obama and his team now on how to move forward in Afghanistan.

VOA: standard.2009.10.16

Inspiration and Creation greet you above the carved oak walls of the General Reception Room.

WSJ: Miracle on 42nd Street | By Ada Louise Huxtable

That may be because he wished to leave the general some room for manoeuvre.

ECONOMIST: Waiting for Wahid

One top Wall Street executive told me a few years ago how, during Spitzer's crusade against crooked securities research, a blow-by-blow account of a supposedly private meeting appeared in The Wall Street Journal the next day--ending when the then attorney general left the room.

FORBES: Spitzer, Spin And Smear Tactics