Ϊʲô˵ǧҪʧҵ
1ӰҹֻҪһʧҵ𣬸˵¼ûҹʱԹ֪ˣ;
2Ӱ籣ɣڼҵ¹¹˾ʱܸ籣ģԶʱҵľȲҪ졣ʵҲЩǮάĻ;
3ȽϷΪ˲˹ʧҵ𣬶ʧҵ룬ͨҪϸˡ
ҵӰʧҵ
ҵղӰʧҵΪҵպʧҵûֱӹϵʧҵԱҪʧҵյĻֻҪɣ
1ڷͶڷԸʧҵ;
2˼λμʧҵղɷһ;
3ʧҵǼǵ;
4ְҪְҵܺ;ҵġ
ʧҵտת
ʧҵǿתƵġҪעǣʧҵսתƵĻתƵֻǹϵǻ𡣳֮⣬Ҫעһ㣬ҪתʧҵյĻһֻзũҵڵʧҵԱſתƵģũҵڵʧҵԱֻڲαڵʧҵմܶ˾Ϊ䶯ʧҵԱڿͳҵ֮ҪȥʧҵչϵǨơҲе˵ԭλͻڵزͳһͳתʧҵչϵֻҪʧҵչϵǨƵ˵ĻڵأͿڻڵʧҵմ
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