But freezing and shipping milk can be costly.

Currently, medicine for sleeping sickness requires a series of rejections injections that are costly and painful.

目前, 治疗昏睡症的药物需要一系列的注射,不仅费用昂贵,病人还要忍受疼痛以及需要住院观察.

In rural areas the distance between buildings makes infrastructure development costly.

农村地区房屋之间的距离较大,这造成基础设施建设耗费资金.

Excess methodology weight is costly.

方法集中超出的重量代价很高.

You have there a new lady's dress. With costly laces, too.

你这里有一件女式新衣裙, 而且镶有名贵的花边.

Vamp fabrics uses leather of high quality complete grain and costly goatskin.

鞋面面料采用高品质全颗粒皮革和奢华的山羊皮.

Switch arrows and signals of semaphores and transport costly presents from one station to another.

改变动臂信号机箭头方向和信号并运输贵重的礼物从一个站到另一个站.

Our rushing is understandable, but costly.

我们整日忙忙碌碌是可以理解的, 但也为此付出了沉重的代价.

Creating appropriate learning space does not require costly renovations.

创造适当的学习空间不需要太多费用.

That is a costly house.

那是一座豪华的房子.

It was a costly ( or expensive ) error.

那是一次损失很重的错误.

Our former process was too costly.

我们上道制造程序成本太高.

They bribed him with costly presents.

他们用贵重的礼物贿赂他.

This dictionary is very useful, only it is a bit costly.

这本词典很有用, 左不过贵了些.

It was a costly victory.

那是一次代价很高的胜利.

An indiscreet remark triggered off a long and costly strike.

一次轻率的讲话导致长时间、代价高昂的罢工.

It must be very costly to keep up a house like this.

维修这么一幢房子一定很昂贵.

At the required level of visual verisimilitude, computer animation is costly.

要使电脑动画的视觉效果达到要求的逼真程度，花费会十分昂贵。

Having curtains made professionally can be costly.

找专业公司制作窗帘会非常昂贵。

It can be costly to refinance.

再融资有时费用会很高。

Cadets are having to use football rattles to simulate gunfire because blank ammunition is too costly.

空包弹太昂贵了，军校学员不得不用足球比赛时助威用的响板来模拟枪声。