Wal-Mart began by marking down the prices of ten best-sellers—including the new Stephen King and the upcoming Sarah Palin—to ten bucks.

沃尔玛首先把十大畅销书—包括新史蒂芬国王和萨拉帕林---的价格降到10美元。

youdao

With major countries promoting LED lighting, LED lumen efficiency has been improving and the LED lighting prices have come down over the years, making it an affordable alternative and marking a shift from traditional (incandescent and fluorescent) options to LEDs.

FORBES: Lutron Partnership Lights Up Cree's LED Growth