47、Network layer

263、And now the appliance manufacturers () to give us MORE features

262、Likewise, we don,＇t () a refrigerator that knows when it＇s out of milk.

261、Advanced technology can certainly make () more comfortable and convenient.

260、What qualities do you think are necessaryand important for someone to become agenius?

259、efforts were made是努力

258、demand for翻译是需求

257、according to翻译是根据

256、Hangzhou is () for the West Lake

255、() hurt

254、having seen翻译是()