D) Expand the scale of fish-farming continuously.

不断扩大养鱼规模。

But there were no fish tanks.

不过店里没有养鱼缸。

But Penny is allergic, so we got fish.

但佩妮有过敏，所我们只好养鱼。

B) Fish-farming will not be sustainable.

B）养鱼将是不可持续的。

C) Fish-farming may cause serious problems too.

C）养鱼也可能造成严重的问题。

If you really want a pet, start with a fish.

如果你真的想养宠物，那就先试试养鱼吧。

The Notojima strain is the largest L rotifer used by Japanese fish farmers.

本养鱼户使用的最大的L轮虫品种是三岛品种。

It is located in the riverbank where we have our own fish farm, greenhouse.

基金会位于河边，我们有自己的养鱼场和温室。

They first thought about making a caravan park, but the council said no.

然后他们想弄一个养鱼场，地方议会还是没。

As the demand for seafood increases, so does the number of fish farms.

随着对海洋食品需求的增加，养鱼场的数量也在增加。

Craig Elliott says it is not easy to operate a profitable aquaculture business.

克雷格·埃利奥特说让养鱼场盈利并不容易。

On top of that, the company gives him a 20% share of their profit from selling the fish.

此外公司还会把养鱼利润的20%分给他。

Traditional near-shore fish farms cause a range of environmental issues as well as economic loss.

传统的近岸养鱼场会造成一系列环境问题及经济损失。

These two small rectangular shapes here. . . are the Fish Farms where we rear Ash for sale.

这两个小型的矩形区域是养鱼场，我们饲养鱼类便出售。

That may still be an inefficient use of protein, but the ratio is set to improve further.

这样养鱼似乎仍然不是高效地利用蛋白质，但这个比率还有进步的空间。

She has been rearing fish on her farm for the last two years and it is paying off.

在过去的两里，她一直在她的农场养鱼，这是有回报的。

He says uneaten fish meal and waste products from farmed fish can be harmful to other creatures.

他说养鱼场没有食用的鱼饲料和废物会对其他物种有害。

Mangroves on the country's southern Pacific Ocean coast also have been cleared to make room for fish farms.

该国南部大西洋海岸的红树林也被清空，便给养鱼场腾出空间。

Fishing and fish farming, support the livelihoods and families of some 660 to 880 million people.

捕鱼和养鱼业支持着大约 6 亿 6 千万至 8 亿人的生计和家庭。

It also has set up tiered fish farms and is using laboratories to grow shrimp, a popular treat.

该国还建立了分层养鱼场，利用实验室养殖虾——一种受欢迎的水产品。