However, these measures alone may not be sufficient to ensure a healthy population of the spirit bear in the future.
However, these measures alone may not be sufficient to ensure a healthy population of the spirit bear in the future.来源于：剑雅10-Test1
She wanted to be alone.
Newcastle is far from alone. Colleges around the country have developed programmes of student support.
Am I alone in thinking that this scandal should finish his career?
He found himself alone in a hostile world.
She was an outsider, alone and lonely.
Never in her life had she felt so alone, so abandoned.
There is nothing so frightening as to be alone in a combat situation.
There he was, all alone in the middle of the hall.
He wanted to be alone with me.
I don't like the thought of her being alone with him.
My brother and I were alone with Vincent.
We'll be alone together, just like old times.
adv. let alone：更别提；更不用说
She had scarcely ever talked to a policeman, let alone gone out with one.
He can't afford beer, let alone whisky.
adv. to go it alone：独自干；单独行动
I missed the stimulation of working with others when I tried to go it alone.
adv. to leave sb alone：让某人独自待着；不打扰某人；不惊动某人
Leave me alone, I'm busy.
Leave your spots alone. You mustn't squeeze them.
You alone should determine what is right for you.
They were convicted on forensic evidence alone.
She lives alone.
He was sitting alone at a table in a wine bar, smoking a big cigar.
Barbara spent most of her time alone in the flat.
He was standing all alone in the middle of the hall.
Don't leave them alone together in the house.
In Florida alone the damage came to $5bn.
I alone survived the crash.
adv. leave alone；= let
adv. to leave well alone;to leave well enough alone;to let well alone;to let well enough alone：对已经满意的事不再作变更；不画蛇添足；不多此一举