Pitch: 搭(帐篷);扎(营)
The boys pitched a tent by the river.
男孩子们在河边搭起了帐蓬.

It could be cheaper if we travel on our own.
如果我们自助游的话,花费会少一些.

On one's own: 独立无助地
I can't carry it on my own; it's too heavy.
我无法独自携带它,太重了.

Don't forget all your essentials before departure.
出发前别忘了带上必需品.

Essential  必需品
We only had time to pack a few essentials.
我们只来得及装上几件必需品.