When I travel, I always travel independently.

　　當(dāng)我旅行時(shí)，我總是自助旅行。

　　The report could not be independently confirmed.

　　但該報(bào)告真實(shí)性無法得到證實(shí)。

　　Each cell in the grid can be controlled independently.

　　網(wǎng)格中的每個(gè)單元都可以單獨(dú)控制。