它们很便宜

the Archean───太古宙

on the cheap───便宜地；经济地

the crescent───新月

the dustheap───垃圾堆

there there───在那里

treasure chest───财宝箱；宝库

welfare check───福利检查

cheap because they are rejects.───便宜是因为它们是不合格产品。

one reason I'm still wary of buying financial stocks in any environment, even if they are cheap.───一种原因，在任何环境中我都还是不太敢买金融股，即使它们的价格很便宜。

soaps effective, but they are also cheap.───肥皂剧不仅有效而且廉价。

They are cheap to produce, easy to brand and market, and easy to stock in supermarket aisles.───它们的制造成本低廉，容易推广，而且容易在超级市场的过道上存放。

Pedaled by migrants from neighboring provinces like Shanxi and Anhui, they are cheap and a fun way to see the city.───这样未来的移民来自周边省份如山西，安徽，它们价廉一种有趣的方法来见城。

These rockets are popular because they are cheap, they're easy to make out of steel tubes.───因为价格低廉，所以这些火箭很受欢迎的，它们很容易用钢管做出。

However, magnetic compasses remain popular, especially in remote areas, as they are cheap, durable, and require no electrical power supply.───然而，因其廉价耐用节能，磁罗盘依旧流行，特别在偏远地区。

Don't shop for single pieces simply because they are cheap, cute or both because you know you'll never wear them.───不要仅仅是因为便宜、可爱，且明知不会用到而去买一些东西。

Yet they are cheap, costing around 74 cents per watt of generating capacity, compared to well over a dollar for the cheapest silicon panel.───但是“薄膜”光伏电池价格低廉，每发一瓦特电只需74美分左右，而使用硅太阳能电池板的，最便宜也要1美元。

They are cheap, rugged, thermally protected and very versatile.

They are cheap, have a good visual range and are fast.

Land mines are popular among armies and insurgencies because they are cheap to buy but expensive to clear.

They are cheap, readily available, cover a long time-span, and are comprehensive in their coverage of social life.